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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/209512">209512</a></dd>
<dt>Author</dt> <dd>eric.carlson@apple.com</dd>
<dt>Date</dt> <dd>2016-12-07 18:25:57 -0800 (Wed, 07 Dec 2016)</dd>
</dl>

<h3>Log Message</h3>
<pre>[MediaStream][Mac] Revoke sandbox extensions when capture ends
https://bugs.webkit.org/show_bug.cgi?id=165476

Reviewed by Brady Eidson.
Source/WebKit2:

Track media capture by process so it is possible to revoke the sandbox extensions issued to
a web process when capture stops. Allocate WK2 user media permission manager lazily rather
than every time a page is created as most pages won't need one.

* CMakeLists.txt: Add new files.

* UIProcess/UserMediaPermissionRequestManagerProxy.cpp:
(WebKit::UserMediaPermissionRequestManagerProxy::UserMediaPermissionRequestManagerProxy): Register
  with process manager.
(WebKit::UserMediaPermissionRequestManagerProxy::~UserMediaPermissionRequestManagerProxy):
(WebKit::UserMediaPermissionRequestManagerProxy::userMediaAccessWasGranted): Move sandbox
  extension code to the process manager.
(WebKit::UserMediaPermissionRequestManagerProxy::stopCapture): New.
(WebKit::UserMediaPermissionRequestManagerProxy::startedCaptureSession): New, report state
  change to the process manager.
(WebKit::UserMediaPermissionRequestManagerProxy::endedCaptureSession): Ditto.
* UIProcess/UserMediaPermissionRequestManagerProxy.h:

* UIProcess/UserMediaProcessManager.cpp: Added.
(WebKit::ProcessState::ProcessState):
(WebKit::ProcessState::managers):
(WebKit::ProcessState::sandboxExtensionsGranted):
(WebKit::ProcessState::setSandboxExtensionsGranted):
(WebKit::stateMap):
(WebKit::processState):
(WebKit::ProcessState::addRequestManager):
(WebKit::ProcessState::removeRequestManager):
(WebKit::UserMediaProcessManager::singleton):
(WebKit::UserMediaProcessManager::addUserMediaPermissionRequestManagerProxy):
(WebKit::UserMediaProcessManager::removeUserMediaPermissionRequestManagerProxy):
(WebKit::UserMediaProcessManager::willCreateMediaStream):
(WebKit::UserMediaProcessManager::startedCaptureSession):
(WebKit::UserMediaProcessManager::endedCaptureSession):
* UIProcess/UserMediaProcessManager.h: Added.

* UIProcess/WebPageProxy.cpp:
(WebKit::WebPageProxy::WebPageProxy): Don't allocate m_userMediaPermissionRequestManager.
(WebKit::WebPageProxy::resetState): Set m_userMediaPermissionRequestManager to null.
(WebKit::WebPageProxy::userMediaPermissionRequestManager): Allocate m_userMediaPermissionRequestManager
  lazily as most pages don't need it.
(WebKit::WebPageProxy::requestUserMediaPermissionForFrame): Call userMediaPermissionRequestManager().
(WebKit::WebPageProxy::enumerateMediaDevicesForFrame): Ditto.
(WebKit::WebPageProxy::clearUserMediaState): Ditto.
(WebKit::WebPageProxy::isPlayingMediaDidChange): Report capture state changes to the request
  manager proxy.
* UIProcess/WebPageProxy.h:

* WebKit2.xcodeproj/project.pbxproj: Add new files.

* WebProcess/MediaStream/MediaDeviceSandboxExtensions.cpp: Added.
(WebKit::MediaDeviceSandboxExtensions::MediaDeviceSandboxExtensions):
(WebKit::MediaDeviceSandboxExtensions::encode):
(WebKit::MediaDeviceSandboxExtensions::decode):
(WebKit::MediaDeviceSandboxExtensions::operator[]):
(WebKit::MediaDeviceSandboxExtensions::size):
* WebProcess/MediaStream/MediaDeviceSandboxExtensions.h: Added.

* WebProcess/MediaStream/UserMediaPermissionRequestManager.cpp:
(WebKit::UserMediaPermissionRequestManager::~UserMediaPermissionRequestManager): Sandbox extension
  is now in a HashMap, not a Vector.
(WebKit::UserMediaPermissionRequestManager::grantUserMediaDeviceSandboxExtensions): Record
  IDs with extensions so they can be revoked later.
(WebKit::UserMediaPermissionRequestManager::revokeUserMediaDeviceSandboxExtensions): New.
(WebKit::UserMediaPermissionRequestManager::grantUserMediaDevicesSandboxExtension): Deleted.
* WebProcess/MediaStream/UserMediaPermissionRequestManager.h:

* WebProcess/WebPage/WebPage.cpp:
(WebKit::WebPage::grantUserMediaDeviceSandboxExtensions):
(WebKit::WebPage::revokeUserMediaDeviceSandboxExtensions):
(WebKit::WebPage::grantUserMediaDevicesSandboxExtension): Deleted.
* WebProcess/WebPage/WebPage.h:
* WebProcess/WebPage/WebPage.messages.in:

Tools:

Add a test which loads a page that calls navigator.mediaDevices.enumerateDevices, kills the
page, and loads the same page again to ensure that the WK2 UserMediaPermissionRequestManagerProxy
is reset and recreated when a web page exits and is reloaded.

* TestWebKitAPI/PlatformGTK.cmake:
* TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj:
* TestWebKitAPI/Tests/WebKit2/EnumerateMediaDevices.cpp: Added.
(TestWebKitAPI::checkUserMediaPermissionCallback):
(TestWebKitAPI::TEST):
* TestWebKitAPI/Tests/WebKit2/enumerateMediaDevices.html: Added.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2CMakeListstxt">trunk/Source/WebKit2/CMakeLists.txt</a></li>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2UIProcessUserMediaPermissionRequestManagerProxycpp">trunk/Source/WebKit2/UIProcess/UserMediaPermissionRequestManagerProxy.cpp</a></li>
<li><a href="#trunkSourceWebKit2UIProcessUserMediaPermissionRequestManagerProxyh">trunk/Source/WebKit2/UIProcess/UserMediaPermissionRequestManagerProxy.h</a></li>
<li><a href="#trunkSourceWebKit2UIProcessWebPageProxycpp">trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp</a></li>
<li><a href="#trunkSourceWebKit2UIProcessWebPageProxyh">trunk/Source/WebKit2/UIProcess/WebPageProxy.h</a></li>
<li><a href="#trunkSourceWebKit2WebKit2xcodeprojprojectpbxproj">trunk/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj</a></li>
<li><a href="#trunkSourceWebKit2WebProcessMediaStreamUserMediaPermissionRequestManagercpp">trunk/Source/WebKit2/WebProcess/MediaStream/UserMediaPermissionRequestManager.cpp</a></li>
<li><a href="#trunkSourceWebKit2WebProcessMediaStreamUserMediaPermissionRequestManagerh">trunk/Source/WebKit2/WebProcess/MediaStream/UserMediaPermissionRequestManager.h</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebPageWebPagecpp">trunk/Source/WebKit2/WebProcess/WebPage/WebPage.cpp</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebPageWebPageh">trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebPageWebPagemessagesin">trunk/Source/WebKit2/WebProcess/WebPage/WebPage.messages.in</a></li>
<li><a href="#trunkToolsChangeLog">trunk/Tools/ChangeLog</a></li>
<li><a href="#trunkToolsTestWebKitAPIPlatformGTKcmake">trunk/Tools/TestWebKitAPI/PlatformGTK.cmake</a></li>
<li><a href="#trunkToolsTestWebKitAPITestWebKitAPIxcodeprojprojectpbxproj">trunk/Tools/TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2UIProcessUserMediaProcessManagercpp">trunk/Source/WebKit2/UIProcess/UserMediaProcessManager.cpp</a></li>
<li><a href="#trunkSourceWebKit2UIProcessUserMediaProcessManagerh">trunk/Source/WebKit2/UIProcess/UserMediaProcessManager.h</a></li>
<li><a href="#trunkSourceWebKit2WebProcessMediaStreamMediaDeviceSandboxExtensionscpp">trunk/Source/WebKit2/WebProcess/MediaStream/MediaDeviceSandboxExtensions.cpp</a></li>
<li><a href="#trunkSourceWebKit2WebProcessMediaStreamMediaDeviceSandboxExtensionsh">trunk/Source/WebKit2/WebProcess/MediaStream/MediaDeviceSandboxExtensions.h</a></li>
<li><a href="#trunkToolsTestWebKitAPITestsWebKit2EnumerateMediaDevicescpp">trunk/Tools/TestWebKitAPI/Tests/WebKit2/EnumerateMediaDevices.cpp</a></li>
<li><a href="#trunkToolsTestWebKitAPITestsWebKit2enumerateMediaDeviceshtml">trunk/Tools/TestWebKitAPI/Tests/WebKit2/enumerateMediaDevices.html</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebKit2CMakeListstxt"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/CMakeLists.txt (209511 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/CMakeLists.txt        2016-12-08 02:18:27 UTC (rev 209511)
+++ trunk/Source/WebKit2/CMakeLists.txt        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -376,6 +376,7 @@
</span><span class="cx">     UIProcess/UserMediaPermissionCheckProxy.cpp
</span><span class="cx">     UIProcess/UserMediaPermissionRequestManagerProxy.cpp
</span><span class="cx">     UIProcess/UserMediaPermissionRequestProxy.cpp
</span><ins>+    UIProcess/UserMediaProcessManager.cpp
</ins><span class="cx">     UIProcess/VisitedLinkStore.cpp
</span><span class="cx">     UIProcess/WebBackForwardList.cpp
</span><span class="cx">     UIProcess/WebColorPicker.cpp
</span><span class="lines">@@ -588,6 +589,7 @@
</span><span class="cx">     WebProcess/InjectedBundle/DOM/InjectedBundleNodeHandle.cpp
</span><span class="cx">     WebProcess/InjectedBundle/DOM/InjectedBundleRangeHandle.cpp
</span><span class="cx"> 
</span><ins>+    WebProcess/MediaStream/MediaDeviceSandboxExtensions.cpp
</ins><span class="cx">     WebProcess/MediaStream/UserMediaPermissionRequestManager.cpp
</span><span class="cx"> 
</span><span class="cx">     WebProcess/Network/NetworkProcessConnection.cpp
</span></span></pre></div>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (209511 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2016-12-08 02:18:27 UTC (rev 209511)
+++ trunk/Source/WebKit2/ChangeLog        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -1,3 +1,83 @@
</span><ins>+2016-12-07  Eric Carlson  &lt;eric.carlson@apple.com&gt;
+
+        [MediaStream][Mac] Revoke sandbox extensions when capture ends
+        https://bugs.webkit.org/show_bug.cgi?id=165476
+
+        Reviewed by Brady Eidson.
+
+        Track media capture by process so it is possible to revoke the sandbox extensions issued to
+        a web process when capture stops. Allocate WK2 user media permission manager lazily rather
+        than every time a page is created as most pages won't need one.
+
+        * CMakeLists.txt: Add new files.
+
+        * UIProcess/UserMediaPermissionRequestManagerProxy.cpp:
+        (WebKit::UserMediaPermissionRequestManagerProxy::UserMediaPermissionRequestManagerProxy): Register
+          with process manager.
+        (WebKit::UserMediaPermissionRequestManagerProxy::~UserMediaPermissionRequestManagerProxy):
+        (WebKit::UserMediaPermissionRequestManagerProxy::userMediaAccessWasGranted): Move sandbox 
+          extension code to the process manager.
+        (WebKit::UserMediaPermissionRequestManagerProxy::stopCapture): New.
+        (WebKit::UserMediaPermissionRequestManagerProxy::startedCaptureSession): New, report state
+          change to the process manager.
+        (WebKit::UserMediaPermissionRequestManagerProxy::endedCaptureSession): Ditto.
+        * UIProcess/UserMediaPermissionRequestManagerProxy.h:
+
+        * UIProcess/UserMediaProcessManager.cpp: Added.
+        (WebKit::ProcessState::ProcessState):
+        (WebKit::ProcessState::managers):
+        (WebKit::ProcessState::sandboxExtensionsGranted):
+        (WebKit::ProcessState::setSandboxExtensionsGranted):
+        (WebKit::stateMap):
+        (WebKit::processState):
+        (WebKit::ProcessState::addRequestManager):
+        (WebKit::ProcessState::removeRequestManager):
+        (WebKit::UserMediaProcessManager::singleton):
+        (WebKit::UserMediaProcessManager::addUserMediaPermissionRequestManagerProxy):
+        (WebKit::UserMediaProcessManager::removeUserMediaPermissionRequestManagerProxy):
+        (WebKit::UserMediaProcessManager::willCreateMediaStream):
+        (WebKit::UserMediaProcessManager::startedCaptureSession):
+        (WebKit::UserMediaProcessManager::endedCaptureSession):
+        * UIProcess/UserMediaProcessManager.h: Added.
+
+        * UIProcess/WebPageProxy.cpp:
+        (WebKit::WebPageProxy::WebPageProxy): Don't allocate m_userMediaPermissionRequestManager.
+        (WebKit::WebPageProxy::resetState): Set m_userMediaPermissionRequestManager to null.
+        (WebKit::WebPageProxy::userMediaPermissionRequestManager): Allocate m_userMediaPermissionRequestManager
+          lazily as most pages don't need it.
+        (WebKit::WebPageProxy::requestUserMediaPermissionForFrame): Call userMediaPermissionRequestManager().
+        (WebKit::WebPageProxy::enumerateMediaDevicesForFrame): Ditto.
+        (WebKit::WebPageProxy::clearUserMediaState): Ditto.
+        (WebKit::WebPageProxy::isPlayingMediaDidChange): Report capture state changes to the request
+          manager proxy.
+        * UIProcess/WebPageProxy.h:
+
+        * WebKit2.xcodeproj/project.pbxproj: Add new files.
+
+        * WebProcess/MediaStream/MediaDeviceSandboxExtensions.cpp: Added.
+        (WebKit::MediaDeviceSandboxExtensions::MediaDeviceSandboxExtensions):
+        (WebKit::MediaDeviceSandboxExtensions::encode):
+        (WebKit::MediaDeviceSandboxExtensions::decode):
+        (WebKit::MediaDeviceSandboxExtensions::operator[]):
+        (WebKit::MediaDeviceSandboxExtensions::size):
+        * WebProcess/MediaStream/MediaDeviceSandboxExtensions.h: Added.
+
+        * WebProcess/MediaStream/UserMediaPermissionRequestManager.cpp:
+        (WebKit::UserMediaPermissionRequestManager::~UserMediaPermissionRequestManager): Sandbox extension
+          is now in a HashMap, not a Vector.
+        (WebKit::UserMediaPermissionRequestManager::grantUserMediaDeviceSandboxExtensions): Record
+          IDs with extensions so they can be revoked later.
+        (WebKit::UserMediaPermissionRequestManager::revokeUserMediaDeviceSandboxExtensions): New.
+        (WebKit::UserMediaPermissionRequestManager::grantUserMediaDevicesSandboxExtension): Deleted.
+        * WebProcess/MediaStream/UserMediaPermissionRequestManager.h:
+
+        * WebProcess/WebPage/WebPage.cpp:
+        (WebKit::WebPage::grantUserMediaDeviceSandboxExtensions):
+        (WebKit::WebPage::revokeUserMediaDeviceSandboxExtensions):
+        (WebKit::WebPage::grantUserMediaDevicesSandboxExtension): Deleted.
+        * WebProcess/WebPage/WebPage.h:
+        * WebProcess/WebPage/WebPage.messages.in:
+
</ins><span class="cx"> 2016-12-07  Jeremy Jones  &lt;jeremyj@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         One esc to exit fullscreen and pointer lock
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessUserMediaPermissionRequestManagerProxycpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/UserMediaPermissionRequestManagerProxy.cpp (209511 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/UserMediaPermissionRequestManagerProxy.cpp        2016-12-08 02:18:27 UTC (rev 209511)
+++ trunk/Source/WebKit2/UIProcess/UserMediaPermissionRequestManagerProxy.cpp        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -22,6 +22,7 @@
</span><span class="cx"> 
</span><span class="cx"> #include &quot;APISecurityOrigin.h&quot;
</span><span class="cx"> #include &quot;APIUIClient.h&quot;
</span><ins>+#include &quot;UserMediaProcessManager.h&quot;
</ins><span class="cx"> #include &quot;WebPageMessages.h&quot;
</span><span class="cx"> #include &quot;WebPageProxy.h&quot;
</span><span class="cx"> #include &quot;WebProcessProxy.h&quot;
</span><span class="lines">@@ -92,8 +93,19 @@
</span><span class="cx"> UserMediaPermissionRequestManagerProxy::UserMediaPermissionRequestManagerProxy(WebPageProxy&amp; page)
</span><span class="cx">     : m_page(page)
</span><span class="cx"> {
</span><ins>+#if ENABLE(MEDIA_STREAM)
+    UserMediaProcessManager::singleton().addUserMediaPermissionRequestManagerProxy(*this);
+#endif
</ins><span class="cx"> }
</span><span class="cx"> 
</span><ins>+UserMediaPermissionRequestManagerProxy::~UserMediaPermissionRequestManagerProxy()
+{
+#if ENABLE(MEDIA_STREAM)
+    UserMediaProcessManager::singleton().removeUserMediaPermissionRequestManagerProxy(*this);
+#endif
+    invalidateRequests();
+}
+
</ins><span class="cx"> void UserMediaPermissionRequestManagerProxy::invalidateRequests()
</span><span class="cx"> {
</span><span class="cx">     for (auto&amp; request : m_pendingUserMediaRequests.values())
</span><span class="lines">@@ -197,30 +209,8 @@
</span><span class="cx">     fameState.setHasPermissionToUseCaptureDevice(audioDeviceUID, true);
</span><span class="cx">     fameState.setHasPermissionToUseCaptureDevice(videoDeviceUID, true);
</span><span class="cx"> 
</span><del>-    size_t extensionCount = 0;
-    unsigned requiredExtensions = SandboxExtensionsGranted::None;
-    if (!audioDeviceUID.isEmpty()) {
-        requiredExtensions |= SandboxExtensionsGranted::Audio;
-        extensionCount++;
-    }
-    if (!videoDeviceUID.isEmpty()) {
-        requiredExtensions |= SandboxExtensionsGranted::Video;
-        extensionCount++;
-    }
</del><ins>+    UserMediaProcessManager::singleton().willCreateMediaStream(*this, !audioDeviceUID.isEmpty(), !videoDeviceUID.isEmpty());
</ins><span class="cx"> 
</span><del>-    unsigned currentExtensions = m_pageSandboxExtensionsGranted;
-    if (!(requiredExtensions &amp; currentExtensions)) {
-        ASSERT(extensionCount);
-        m_pageSandboxExtensionsGranted = requiredExtensions | currentExtensions;
-        SandboxExtension::HandleArray handles;
-        handles.allocate(extensionCount);
-        if (!videoDeviceUID.isEmpty())
-            SandboxExtension::createHandleForGenericExtension(&quot;com.apple.webkit.camera&quot;, handles[--extensionCount]);
-        if (!audioDeviceUID.isEmpty())
-            SandboxExtension::createHandleForGenericExtension(&quot;com.apple.webkit.microphone&quot;, handles[--extensionCount]);
-        m_page.process().send(Messages::WebPage::GrantUserMediaDevicesSandboxExtension(handles), m_page.pageID());
-    }
-
</del><span class="cx">     m_page.process().send(Messages::WebPage::UserMediaAccessWasGranted(userMediaID, audioDeviceUID, videoDeviceUID), m_page.pageID());
</span><span class="cx"> #else
</span><span class="cx">     UNUSED_PARAM(userMediaID);
</span><span class="lines">@@ -342,4 +332,34 @@
</span><span class="cx"> #endif
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void UserMediaPermissionRequestManagerProxy::stopCapture()
+{
+    if (!m_page.isValid())
+        return;
+
+#if ENABLE(MEDIA_STREAM)
+    m_page.setMuted(WebCore::MediaProducer::CaptureDevicesAreMuted);
+#endif
+}
+
+void UserMediaPermissionRequestManagerProxy::startedCaptureSession()
+{
+    if (!m_page.isValid())
+        return;
+
+#if ENABLE(MEDIA_STREAM)
+    UserMediaProcessManager::singleton().startedCaptureSession(*this);
+#endif
+}
+
+void UserMediaPermissionRequestManagerProxy::endedCaptureSession()
+{
+    if (!m_page.isValid())
+        return;
+
+#if ENABLE(MEDIA_STREAM)
+    UserMediaProcessManager::singleton().endedCaptureSession(*this);
+#endif
+}
+
</ins><span class="cx"> } // namespace WebKit
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessUserMediaPermissionRequestManagerProxyh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/UserMediaPermissionRequestManagerProxy.h (209511 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/UserMediaPermissionRequestManagerProxy.h        2016-12-08 02:18:27 UTC (rev 209511)
+++ trunk/Source/WebKit2/UIProcess/UserMediaPermissionRequestManagerProxy.h        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -53,7 +53,10 @@
</span><span class="cx"> class UserMediaPermissionRequestManagerProxy {
</span><span class="cx"> public:
</span><span class="cx">     explicit UserMediaPermissionRequestManagerProxy(WebPageProxy&amp;);
</span><ins>+    ~UserMediaPermissionRequestManagerProxy();
</ins><span class="cx"> 
</span><ins>+    WebPageProxy&amp; page() const { return m_page; }
+
</ins><span class="cx">     void invalidateRequests();
</span><span class="cx"> 
</span><span class="cx">     void requestUserMediaPermissionForFrame(uint64_t userMediaID, uint64_t frameID, String userMediaDocumentOriginIdentifier, String topLevelDocumentOriginIdentifier, const WebCore::MediaConstraintsData&amp; audioConstraintsData, const WebCore::MediaConstraintsData&amp; videoConstraintsData);
</span><span class="lines">@@ -68,6 +71,10 @@
</span><span class="cx"> 
</span><span class="cx">     void clearCachedState();
</span><span class="cx"> 
</span><ins>+    void startedCaptureSession();
+    void endedCaptureSession();
+    void stopCapture();
+
</ins><span class="cx"> private:
</span><span class="cx">     Ref&lt;UserMediaPermissionRequestProxy&gt; createRequest(uint64_t userMediaID, uint64_t frameID, const String&amp;userMediaDocumentOriginIdentifier, const String&amp; topLevelDocumentOriginIdentifier, const Vector&lt;String&gt;&amp; audioDeviceUIDs, const Vector&lt;String&gt;&amp; videoDeviceUIDs);
</span><span class="cx">     void denyRequest(uint64_t userMediaID, UserMediaPermissionRequestProxy::UserMediaAccessDenialReason, const String&amp; invalidConstraint);
</span><span class="lines">@@ -76,14 +83,6 @@
</span><span class="cx"> 
</span><span class="cx">     HashMap&lt;uint64_t, RefPtr&lt;UserMediaPermissionRequestProxy&gt;&gt; m_pendingUserMediaRequests;
</span><span class="cx">     HashMap&lt;uint64_t, RefPtr&lt;UserMediaPermissionCheckProxy&gt;&gt; m_pendingDeviceRequests;
</span><del>-
-    enum SandboxExtensionsGranted {
-        None = 0,
-        Video = 1 &lt;&lt; 0,
-        Audio = 1 &lt;&lt; 1
-    };
-    unsigned m_pageSandboxExtensionsGranted;
-
</del><span class="cx">     HashMap&lt;uint64_t, std::unique_ptr&lt;FrameAuthorizationState&gt;&gt; m_frameStates;
</span><span class="cx"> 
</span><span class="cx">     WebPageProxy&amp; m_page;
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessUserMediaProcessManagercpp"></a>
<div class="addfile"><h4>Added: trunk/Source/WebKit2/UIProcess/UserMediaProcessManager.cpp (0 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/UserMediaProcessManager.cpp                                (rev 0)
+++ trunk/Source/WebKit2/UIProcess/UserMediaProcessManager.cpp        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -0,0 +1,198 @@
</span><ins>+/*
+ * Copyright (C) 2016 Apple Inc. All rights reserved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include &quot;config.h&quot;
+#include &quot;UserMediaProcessManager.h&quot;
+
+#if ENABLE(MEDIA_STREAM)
+
+#include &quot;MediaDeviceSandboxExtensions.h&quot;
+#include &quot;WebPageMessages.h&quot;
+#include &quot;WebPageProxy.h&quot;
+#include &quot;WebProcessProxy.h&quot;
+#include &lt;wtf/HashMap.h&gt;
+#include &lt;wtf/NeverDestroyed.h&gt;
+
+namespace WebKit {
+
+static const char* const audioExtensionPath = &quot;com.apple.webkit.microphone&quot;;
+static const char* const videoExtensionPath = &quot;com.apple.webkit.camera&quot;;
+
+class ProcessState {
+public:
+    ProcessState() { }
+    ProcessState(const ProcessState&amp;) = delete;
+
+    void addRequestManager(UserMediaPermissionRequestManagerProxy&amp;);
+    void removeRequestManager(UserMediaPermissionRequestManagerProxy&amp;);
+    Vector&lt;UserMediaPermissionRequestManagerProxy*&gt;&amp; managers() { return m_managers; }
+
+    enum SandboxExtensionsGranted {
+        None = 0,
+        Video = 1 &lt;&lt; 0,
+        Audio = 1 &lt;&lt; 1
+    };
+
+    SandboxExtensionsGranted sandboxExtensionsGranted() { return m_pageSandboxExtensionsGranted; }
+    void setSandboxExtensionsGranted(unsigned granted) { m_pageSandboxExtensionsGranted = static_cast&lt;SandboxExtensionsGranted&gt;(granted); }
+
+private:
+    Vector&lt;UserMediaPermissionRequestManagerProxy*&gt; m_managers;
+    SandboxExtensionsGranted m_pageSandboxExtensionsGranted { SandboxExtensionsGranted::None };
+};
+
+static HashMap&lt;WebProcessProxy*, std::unique_ptr&lt;ProcessState&gt;&gt;&amp; stateMap()
+{
+    static NeverDestroyed&lt;HashMap&lt;WebProcessProxy*, std::unique_ptr&lt;ProcessState&gt;&gt;&gt; map;
+    return map;
+}
+
+static ProcessState&amp; processState(WebProcessProxy&amp; process)
+{
+    auto&amp; state = stateMap().add(&amp;process, nullptr).iterator-&gt;value;
+    if (state)
+        return *state;
+
+    state = std::make_unique&lt;ProcessState&gt;();
+    return *state;
+}
+
+void ProcessState::addRequestManager(UserMediaPermissionRequestManagerProxy&amp; proxy)
+{
+    ASSERT(!m_managers.contains(&amp;proxy));
+    m_managers.append(&amp;proxy);
+}
+
+void ProcessState::removeRequestManager(UserMediaPermissionRequestManagerProxy&amp; proxy)
+{
+    ASSERT(m_managers.contains(&amp;proxy));
+    m_managers.removeFirstMatching([&amp;proxy](auto other) {
+        return other == &amp;proxy;
+    });
+}
+
+UserMediaProcessManager&amp; UserMediaProcessManager::singleton()
+{
+    static NeverDestroyed&lt;UserMediaProcessManager&gt; manager;
+    return manager;
+}
+
+void UserMediaProcessManager::addUserMediaPermissionRequestManagerProxy(UserMediaPermissionRequestManagerProxy&amp; proxy)
+{
+    processState(proxy.page().process()).addRequestManager(proxy);
+}
+
+void UserMediaProcessManager::removeUserMediaPermissionRequestManagerProxy(UserMediaPermissionRequestManagerProxy&amp; proxy)
+{
+    endedCaptureSession(proxy);
+
+    auto&amp; state = processState(proxy.page().process());
+    state.removeRequestManager(proxy);
+    if (state.managers().isEmpty()) {
+        auto it = stateMap().find(&amp;proxy.page().process());
+        stateMap().remove(it);
+    }
+}
+
+void UserMediaProcessManager::willCreateMediaStream(UserMediaPermissionRequestManagerProxy&amp; proxy, bool withAudio, bool withVideo)
+{
+    ASSERT(stateMap().contains(&amp;proxy.page().process()));
+
+    auto&amp; state = processState(proxy.page().process());
+    size_t extensionCount = 0;
+    unsigned requiredExtensions = ProcessState::SandboxExtensionsGranted::None;
+
+    if (withAudio) {
+        requiredExtensions |= ProcessState::SandboxExtensionsGranted::Audio;
+        extensionCount++;
+    }
+    if (withVideo) {
+        requiredExtensions |= ProcessState::SandboxExtensionsGranted::Video;
+        extensionCount++;
+    }
+
+    unsigned currentExtensions = state.sandboxExtensionsGranted();
+    if (!(requiredExtensions &amp; currentExtensions)) {
+        SandboxExtension::HandleArray handles;
+        handles.allocate(extensionCount);
+
+        Vector&lt;String&gt; ids;
+        ids.reserveCapacity(extensionCount);
+
+        if (withAudio &amp;&amp; requiredExtensions &amp; ProcessState::SandboxExtensionsGranted::Audio) {
+            if (SandboxExtension::createHandleForGenericExtension(audioExtensionPath, handles[--extensionCount])) {
+                ids.append(ASCIILiteral(audioExtensionPath));
+                currentExtensions |= ProcessState::SandboxExtensionsGranted::Audio;
+            }
+        }
+
+        if (withVideo &amp;&amp; requiredExtensions &amp; ProcessState::SandboxExtensionsGranted::Video) {
+            if (SandboxExtension::createHandleForGenericExtension(videoExtensionPath, handles[--extensionCount])) {
+                ids.append(ASCIILiteral(videoExtensionPath));
+                currentExtensions |= ProcessState::SandboxExtensionsGranted::Video;
+            }
+        }
+
+        state.setSandboxExtensionsGranted(currentExtensions);
+        proxy.page().process().send(Messages::WebPage::GrantUserMediaDeviceSandboxExtensions(MediaDeviceSandboxExtensions(ids, WTFMove(handles))), proxy.page().pageID());
+    }
+}
+
+void UserMediaProcessManager::startedCaptureSession(UserMediaPermissionRequestManagerProxy&amp; proxy)
+{
+    ASSERT(stateMap().contains(&amp;proxy.page().process()));
+}
+
+void UserMediaProcessManager::endedCaptureSession(UserMediaPermissionRequestManagerProxy&amp; proxy)
+{
+    ASSERT(stateMap().contains(&amp;proxy.page().process()));
+
+    auto&amp; state = processState(proxy.page().process());
+    bool hasAudioCapture = false;
+    bool hasVideoCapture = false;
+    for (auto&amp; manager : state.managers()) {
+        if (manager-&gt;page().hasActiveAudioStream())
+            hasAudioCapture = true;
+        if (manager-&gt;page().hasActiveVideoStream())
+            hasVideoCapture = true;
+    }
+
+    if (hasAudioCapture &amp;&amp; hasVideoCapture)
+        return;
+
+    Vector&lt;String&gt; params;
+    unsigned currentExtensions = state.sandboxExtensionsGranted();
+    if (!hasAudioCapture &amp;&amp; currentExtensions &amp; ProcessState::SandboxExtensionsGranted::Audio) {
+        params.append(ASCIILiteral(audioExtensionPath));
+        currentExtensions &amp;= ~ProcessState::SandboxExtensionsGranted::Audio;
+    }
+    if (!hasVideoCapture &amp;&amp; currentExtensions &amp; ProcessState::SandboxExtensionsGranted::Video) {
+        params.append(ASCIILiteral(videoExtensionPath));
+        currentExtensions &amp;= ~ProcessState::SandboxExtensionsGranted::Video;
+    }
+
+    if (params.isEmpty())
+        return;
+
+    state.setSandboxExtensionsGranted(currentExtensions);
+    proxy.page().process().send(Messages::WebPage::RevokeUserMediaDeviceSandboxExtensions(params), proxy.page().pageID());
+}
+
+} // namespace WebKit
+
+#endif
</ins></span></pre></div>
<a id="trunkSourceWebKit2UIProcessUserMediaProcessManagerh"></a>
<div class="addfile"><h4>Added: trunk/Source/WebKit2/UIProcess/UserMediaProcessManager.h (0 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/UserMediaProcessManager.h                                (rev 0)
+++ trunk/Source/WebKit2/UIProcess/UserMediaProcessManager.h        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -0,0 +1,45 @@
</span><ins>+/*
+ * Copyright (C) 2016 Apple Inc. All rights reserved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#pragma once
+
+#if ENABLE(MEDIA_STREAM)
+
+#include &quot;UserMediaPermissionRequestManagerProxy.h&quot;
+
+namespace WebKit {
+
+class WebProcessProxy;
+
+class UserMediaProcessManager {
+public:
+
+    static UserMediaProcessManager&amp; singleton();
+
+    void addUserMediaPermissionRequestManagerProxy(UserMediaPermissionRequestManagerProxy&amp;);
+    void removeUserMediaPermissionRequestManagerProxy(UserMediaPermissionRequestManagerProxy&amp;);
+
+    void willCreateMediaStream(UserMediaPermissionRequestManagerProxy&amp;, bool withAudio, bool withVideo);
+
+    void startedCaptureSession(UserMediaPermissionRequestManagerProxy&amp;);
+    void endedCaptureSession(UserMediaPermissionRequestManagerProxy&amp;);
+};
+
+} // namespace WebKit
+
+#endif
</ins></span></pre></div>
<a id="trunkSourceWebKit2UIProcessWebPageProxycpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp (209511 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp        2016-12-08 02:18:27 UTC (rev 209511)
+++ trunk/Source/WebKit2/UIProcess/WebPageProxy.cpp        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -358,7 +358,6 @@
</span><span class="cx"> #endif
</span><span class="cx">     , m_geolocationPermissionRequestManager(*this)
</span><span class="cx">     , m_notificationPermissionRequestManager(*this)
</span><del>-    , m_userMediaPermissionRequestManager(*this)
</del><span class="cx">     , m_activityState(ActivityState::NoFlags)
</span><span class="cx">     , m_viewWasEverInWindow(false)
</span><span class="cx"> #if PLATFORM(IOS)
</span><span class="lines">@@ -5376,8 +5375,9 @@
</span><span class="cx"> #if ENABLE(GEOLOCATION)
</span><span class="cx">     m_geolocationPermissionRequestManager.invalidateRequests();
</span><span class="cx"> #endif
</span><ins>+
</ins><span class="cx"> #if ENABLE(MEDIA_STREAM)
</span><del>-    m_userMediaPermissionRequestManager.invalidateRequests();
</del><ins>+    m_userMediaPermissionRequestManager = nullptr;
</ins><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx">     m_notificationPermissionRequestManager.invalidateRequests();
</span><span class="lines">@@ -5692,12 +5692,21 @@
</span><span class="cx">     request-&gt;deny();
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+UserMediaPermissionRequestManagerProxy&amp; WebPageProxy::userMediaPermissionRequestManager()
+{
+    if (m_userMediaPermissionRequestManager)
+        return *m_userMediaPermissionRequestManager;
+
+    m_userMediaPermissionRequestManager = std::make_unique&lt;UserMediaPermissionRequestManagerProxy&gt;(*this);
+    return *m_userMediaPermissionRequestManager;
+}
+
</ins><span class="cx"> void WebPageProxy::requestUserMediaPermissionForFrame(uint64_t userMediaID, uint64_t frameID, String userMediaDocumentOriginIdentifier, String topLevelDocumentOriginIdentifier, const WebCore::MediaConstraintsData&amp; audioConstraintsData, const WebCore::MediaConstraintsData&amp; videoConstraintsData)
</span><span class="cx"> {
</span><span class="cx"> #if ENABLE(MEDIA_STREAM)
</span><span class="cx">     MESSAGE_CHECK(m_process-&gt;webFrame(frameID));
</span><span class="cx"> 
</span><del>-    m_userMediaPermissionRequestManager.requestUserMediaPermissionForFrame(userMediaID, frameID, userMediaDocumentOriginIdentifier, topLevelDocumentOriginIdentifier, audioConstraintsData, videoConstraintsData);
</del><ins>+    userMediaPermissionRequestManager().requestUserMediaPermissionForFrame(userMediaID, frameID, userMediaDocumentOriginIdentifier, topLevelDocumentOriginIdentifier, audioConstraintsData, videoConstraintsData);
</ins><span class="cx"> #else
</span><span class="cx">     UNUSED_PARAM(userMediaID);
</span><span class="cx">     UNUSED_PARAM(frameID);
</span><span class="lines">@@ -5714,7 +5723,7 @@
</span><span class="cx">     WebFrameProxy* frame = m_process-&gt;webFrame(frameID);
</span><span class="cx">     MESSAGE_CHECK(frame);
</span><span class="cx"> 
</span><del>-    m_userMediaPermissionRequestManager.enumerateMediaDevicesForFrame(userMediaID, frameID, userMediaDocumentOriginIdentifier, topLevelDocumentOriginIdentifier);
</del><ins>+    userMediaPermissionRequestManager().enumerateMediaDevicesForFrame(userMediaID, frameID, userMediaDocumentOriginIdentifier, topLevelDocumentOriginIdentifier);
</ins><span class="cx"> #else
</span><span class="cx">     UNUSED_PARAM(userMediaID);
</span><span class="cx">     UNUSED_PARAM(frameID);
</span><span class="lines">@@ -5726,7 +5735,7 @@
</span><span class="cx"> void WebPageProxy::clearUserMediaState()
</span><span class="cx"> {
</span><span class="cx"> #if ENABLE(MEDIA_STREAM)
</span><del>-    m_userMediaPermissionRequestManager.clearCachedState();
</del><ins>+    userMediaPermissionRequestManager().clearCachedState();
</ins><span class="cx"> #endif
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="lines">@@ -6409,15 +6418,21 @@
</span><span class="cx"> 
</span><span class="cx">     WebCore::MediaProducer::MediaStateFlags oldMediaStateHasActiveCapture = m_mediaState &amp; (WebCore::MediaProducer::HasActiveAudioCaptureDevice | WebCore::MediaProducer::HasActiveVideoCaptureDevice);
</span><span class="cx">     WebCore::MediaProducer::MediaStateFlags newMediaStateHasActiveCapture = state &amp; (WebCore::MediaProducer::HasActiveAudioCaptureDevice | WebCore::MediaProducer::HasActiveVideoCaptureDevice);
</span><del>-    if (!oldMediaStateHasActiveCapture &amp;&amp; newMediaStateHasActiveCapture)
-        m_uiClient-&gt;didBeginCaptureSession();
-    if (oldMediaStateHasActiveCapture &amp;&amp; !newMediaStateHasActiveCapture)
-        m_uiClient-&gt;didEndCaptureSession();
</del><span class="cx"> 
</span><span class="cx">     MediaProducer::MediaStateFlags playingMediaMask = MediaProducer::IsPlayingAudio | MediaProducer::IsPlayingVideo;
</span><span class="cx">     MediaProducer::MediaStateFlags oldState = m_mediaState;
</span><span class="cx">     m_mediaState = state;
</span><span class="cx"> 
</span><ins>+#if ENABLE(MEDIA_STREAM)
+    if (!oldMediaStateHasActiveCapture &amp;&amp; newMediaStateHasActiveCapture) {
+        m_uiClient-&gt;didBeginCaptureSession();
+        userMediaPermissionRequestManager().startedCaptureSession();
+    } else if (oldMediaStateHasActiveCapture &amp;&amp; !newMediaStateHasActiveCapture) {
+        m_uiClient-&gt;didEndCaptureSession();
+        userMediaPermissionRequestManager().endedCaptureSession();
+    }
+#endif
+
</ins><span class="cx">     activityStateDidChange(ActivityState::IsAudible);
</span><span class="cx"> 
</span><span class="cx">     playingMediaMask |= MediaProducer::HasActiveAudioCaptureDevice | MediaProducer::HasActiveVideoCaptureDevice;
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessWebPageProxyh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/WebPageProxy.h (209511 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/WebPageProxy.h        2016-12-08 02:18:27 UTC (rev 209511)
+++ trunk/Source/WebKit2/UIProcess/WebPageProxy.h        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -1049,6 +1049,8 @@
</span><span class="cx"> 
</span><span class="cx">     bool isPlayingAudio() const { return !!(m_mediaState &amp; WebCore::MediaProducer::IsPlayingAudio); }
</span><span class="cx">     void isPlayingMediaDidChange(WebCore::MediaProducer::MediaStateFlags, uint64_t);
</span><ins>+    bool hasActiveAudioStream() const { return m_mediaState &amp; WebCore::MediaProducer::HasActiveAudioCaptureDevice; }
+    bool hasActiveVideoStream() const { return m_mediaState &amp; WebCore::MediaProducer::HasActiveVideoCaptureDevice; }
</ins><span class="cx">     WebCore::MediaProducer::MediaStateFlags mediaStateFlags() const { return m_mediaState; }
</span><span class="cx"> 
</span><span class="cx"> #if PLATFORM(MAC)
</span><span class="lines">@@ -1295,6 +1297,7 @@
</span><span class="cx">     void reachedApplicationCacheOriginQuota(const String&amp; originIdentifier, uint64_t currentQuota, uint64_t totalBytesNeeded, PassRefPtr&lt;Messages::WebPageProxy::ReachedApplicationCacheOriginQuota::DelayedReply&gt;);
</span><span class="cx">     void requestGeolocationPermissionForFrame(uint64_t geolocationID, uint64_t frameID, String originIdentifier);
</span><span class="cx"> 
</span><ins>+    UserMediaPermissionRequestManagerProxy&amp; userMediaPermissionRequestManager();
</ins><span class="cx">     void requestUserMediaPermissionForFrame(uint64_t userMediaID, uint64_t frameID, String userMediaDocumentOriginIdentifier, String topLevelDocumentOriginIdentifier, const WebCore::MediaConstraintsData&amp; audioConstraints, const WebCore::MediaConstraintsData&amp; videoConstraints);
</span><span class="cx">     void enumerateMediaDevicesForFrame(uint64_t userMediaID, uint64_t frameID, String userMediaDocumentOriginIdentifier, String topLevelDocumentOriginIdentifier);
</span><span class="cx"> 
</span><span class="lines">@@ -1688,7 +1691,9 @@
</span><span class="cx">     GeolocationPermissionRequestManagerProxy m_geolocationPermissionRequestManager;
</span><span class="cx">     NotificationPermissionRequestManagerProxy m_notificationPermissionRequestManager;
</span><span class="cx"> 
</span><del>-    UserMediaPermissionRequestManagerProxy m_userMediaPermissionRequestManager;
</del><ins>+#if ENABLE(MEDIA_STREAM)
+    std::unique_ptr&lt;UserMediaPermissionRequestManagerProxy&gt; m_userMediaPermissionRequestManager;
+#endif
</ins><span class="cx"> 
</span><span class="cx">     WebCore::ActivityState::Flags m_activityState;
</span><span class="cx">     bool m_viewWasEverInWindow;
</span></span></pre></div>
<a id="trunkSourceWebKit2WebKit2xcodeprojprojectpbxproj"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj (209511 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj        2016-12-08 02:18:27 UTC (rev 209511)
+++ trunk/Source/WebKit2/WebKit2.xcodeproj/project.pbxproj        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -58,6 +58,9 @@
</span><span class="cx">                 07297F9F1C17BBEA003F0735 /* UserMediaPermissionCheckProxy.h in Headers */ = {isa = PBXBuildFile; fileRef = 07297F9D1C17BBEA003F0735 /* UserMediaPermissionCheckProxy.h */; };
</span><span class="cx">                 07297FA21C186ADB003F0735 /* WKUserMediaPermissionCheck.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 07297FA01C186ADB003F0735 /* WKUserMediaPermissionCheck.cpp */; };
</span><span class="cx">                 07297FA31C186ADB003F0735 /* WKUserMediaPermissionCheck.h in Headers */ = {isa = PBXBuildFile; fileRef = 07297FA11C186ADB003F0735 /* WKUserMediaPermissionCheck.h */; settings = {ATTRIBUTES = (Private, ); }; };
</span><ins>+                074E75FD1DF2211500D318EC /* UserMediaProcessManager.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 074E75FC1DF2002400D318EC /* UserMediaProcessManager.cpp */; };
+                074E75FE1DF2211900D318EC /* UserMediaProcessManager.h in Headers */ = {isa = PBXBuildFile; fileRef = 074E75FB1DF1FD1300D318EC /* UserMediaProcessManager.h */; };
+                074E76021DF707BE00D318EC /* MediaDeviceSandboxExtensions.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 074E76001DF7075D00D318EC /* MediaDeviceSandboxExtensions.cpp */; };
</ins><span class="cx">                 076E884E1A13CADF005E90FC /* APIContextMenuClient.h in Headers */ = {isa = PBXBuildFile; fileRef = 076E884D1A13CADF005E90FC /* APIContextMenuClient.h */; };
</span><span class="cx">                 07A5EBBB1C7BA43E00B9CA69 /* WKFrameHandleRef.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 07A5EBB91C7BA43E00B9CA69 /* WKFrameHandleRef.cpp */; };
</span><span class="cx">                 07A5EBBC1C7BA43E00B9CA69 /* WKFrameHandleRef.h in Headers */ = {isa = PBXBuildFile; fileRef = 07A5EBBA1C7BA43E00B9CA69 /* WKFrameHandleRef.h */; settings = {ATTRIBUTES = (Private, ); }; };
</span><span class="lines">@@ -2076,6 +2079,10 @@
</span><span class="cx">                 07297F9D1C17BBEA003F0735 /* UserMediaPermissionCheckProxy.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = UserMediaPermissionCheckProxy.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 07297FA01C186ADB003F0735 /* WKUserMediaPermissionCheck.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = WKUserMediaPermissionCheck.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 07297FA11C186ADB003F0735 /* WKUserMediaPermissionCheck.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = WKUserMediaPermissionCheck.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><ins>+                074E75FB1DF1FD1300D318EC /* UserMediaProcessManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = UserMediaProcessManager.h; sourceTree = &quot;&lt;group&gt;&quot;; };
+                074E75FC1DF2002400D318EC /* UserMediaProcessManager.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = UserMediaProcessManager.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
+                074E76001DF7075D00D318EC /* MediaDeviceSandboxExtensions.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = MediaDeviceSandboxExtensions.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
+                074E76011DF7075D00D318EC /* MediaDeviceSandboxExtensions.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MediaDeviceSandboxExtensions.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</ins><span class="cx">                 076E884D1A13CADF005E90FC /* APIContextMenuClient.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = APIContextMenuClient.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 076E884F1A13CBC6005E90FC /* APIInjectedBundlePageContextMenuClient.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = APIInjectedBundlePageContextMenuClient.h; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 07A5EBB91C7BA43E00B9CA69 /* WKFrameHandleRef.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = WKFrameHandleRef.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="lines">@@ -5506,6 +5513,8 @@
</span><span class="cx">                 4A410F4119AF7B27002EBAB5 /* MediaStream */ = {
</span><span class="cx">                         isa = PBXGroup;
</span><span class="cx">                         children = (
</span><ins>+                                074E76001DF7075D00D318EC /* MediaDeviceSandboxExtensions.cpp */,
+                                074E76011DF7075D00D318EC /* MediaDeviceSandboxExtensions.h */,
</ins><span class="cx">                                 4A410F4219AF7B27002EBAB5 /* UserMediaPermissionRequestManager.cpp */,
</span><span class="cx">                                 4A410F4319AF7B27002EBAB5 /* UserMediaPermissionRequestManager.h */,
</span><span class="cx">                         );
</span><span class="lines">@@ -6209,6 +6218,8 @@
</span><span class="cx">                 BC032DC310F438260058C15A /* UIProcess */ = {
</span><span class="cx">                         isa = PBXGroup;
</span><span class="cx">                         children = (
</span><ins>+                                074E75FC1DF2002400D318EC /* UserMediaProcessManager.cpp */,
+                                074E75FB1DF1FD1300D318EC /* UserMediaProcessManager.h */,
</ins><span class="cx">                                 BC032DC410F4387C0058C15A /* API */,
</span><span class="cx">                                 1AB1F7761D1B30A9007C9BD1 /* ApplePay */,
</span><span class="cx">                                 512F588D12A8836F00629530 /* Authentication */,
</span><span class="lines">@@ -8364,6 +8375,7 @@
</span><span class="cx">                                 BC0E619812D6CD120012A72A /* WKGeolocationPosition.h in Headers */,
</span><span class="cx">                                 0FCB4E4F18BBE044000FCFC9 /* WKGeolocationProviderIOS.h in Headers */,
</span><span class="cx">                                 BCC8B374125FB69000DE46A4 /* WKGeometry.h in Headers */,
</span><ins>+                                074E75FE1DF2211900D318EC /* UserMediaProcessManager.h in Headers */,
</ins><span class="cx">                                 1A422F8B18B29B5400D8CD96 /* WKHistoryDelegatePrivate.h in Headers */,
</span><span class="cx">                                 B62E7312143047B00069EC35 /* WKHitTestResult.h in Headers */,
</span><span class="cx">                                 5110AE0D133C16CB0072717A /* WKIconDatabase.h in Headers */,
</span><span class="lines">@@ -9434,6 +9446,7 @@
</span><span class="cx">                                 0F5E200318E77051003EC3E5 /* PlatformCAAnimationRemote.mm in Sources */,
</span><span class="cx">                                 2DA049B3180CCCD300AAFA9E /* PlatformCALayerRemote.cpp in Sources */,
</span><span class="cx">                                 2D8710161828415D0018FA01 /* PlatformCALayerRemoteCustom.mm in Sources */,
</span><ins>+                                074E75FD1DF2211500D318EC /* UserMediaProcessManager.cpp in Sources */,
</ins><span class="cx">                                 2D8949F0182044F600E898AA /* PlatformCALayerRemoteTiledBacking.cpp in Sources */,
</span><span class="cx">                                 BCC43ABA127B95DC00317F16 /* PlatformPopupMenuData.cpp in Sources */,
</span><span class="cx">                                 1A6FB7D211E651E200DB1371 /* Plugin.cpp in Sources */,
</span><span class="lines">@@ -9895,6 +9908,7 @@
</span><span class="cx">                                 1A256E3718A1A788006FB922 /* WKNavigationAction.mm in Sources */,
</span><span class="cx">                                 2D3A65DA1A7C3A1F00CAC637 /* WKNavigationActionRef.cpp in Sources */,
</span><span class="cx">                                 370F34A21829BE1E009027C8 /* WKNavigationData.mm in Sources */,
</span><ins>+                                074E76021DF707BE00D318EC /* MediaDeviceSandboxExtensions.cpp in Sources */,
</ins><span class="cx">                                 BCF69FAA1176D1CB00471A52 /* WKNavigationDataRef.cpp in Sources */,
</span><span class="cx">                                 2D3A65E21A7C3A9300CAC637 /* WKNavigationRef.cpp in Sources */,
</span><span class="cx">                                 1A1B0EB518A424950038481A /* WKNavigationResponse.mm in Sources */,
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessMediaStreamMediaDeviceSandboxExtensionscpp"></a>
<div class="addfile"><h4>Added: trunk/Source/WebKit2/WebProcess/MediaStream/MediaDeviceSandboxExtensions.cpp (0 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/MediaStream/MediaDeviceSandboxExtensions.cpp                                (rev 0)
+++ trunk/Source/WebKit2/WebProcess/MediaStream/MediaDeviceSandboxExtensions.cpp        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -0,0 +1,80 @@
</span><ins>+/*
+ * Copyright (C) 2016 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include &quot;config.h&quot;
+#include &quot;MediaDeviceSandboxExtensions.h&quot;
+
+#if ENABLE(MEDIA_STREAM)
+
+#include &quot;WebCoreArgumentCoders.h&quot;
+
+namespace WebKit {
+
+MediaDeviceSandboxExtensions::MediaDeviceSandboxExtensions(Vector&lt;String&gt; ids, SandboxExtension::HandleArray&amp;&amp; handles)
+    : m_ids(ids)
+    , m_handles(WTFMove(handles))
+{
+    ASSERT_WITH_SECURITY_IMPLICATION(m_ids.size() == m_handles.size());
+}
+
+void MediaDeviceSandboxExtensions::encode(IPC::Encoder&amp; encoder) const
+{
+    encoder &lt;&lt; m_ids;
+    m_handles.encode(encoder);
+}
+
+bool MediaDeviceSandboxExtensions::decode(IPC::Decoder&amp; decoder, MediaDeviceSandboxExtensions&amp; result)
+{
+    if (!decoder.decode(result.m_ids))
+        return false;
+
+    if (!SandboxExtension::HandleArray::decode(decoder, result.m_handles))
+        return false;
+
+    return true;
+}
+
+std::pair&lt;String, RefPtr&lt;SandboxExtension&gt;&gt; MediaDeviceSandboxExtensions::operator[](size_t i)
+{
+    ASSERT_WITH_SECURITY_IMPLICATION(m_ids.size() == m_handles.size());
+    ASSERT_WITH_SECURITY_IMPLICATION(i &lt; m_ids.size());
+    return { m_ids[i], SandboxExtension::create(m_handles[i]) };
+}
+
+const std::pair&lt;String, RefPtr&lt;SandboxExtension&gt;&gt; MediaDeviceSandboxExtensions::operator[](size_t i) const
+{
+    ASSERT_WITH_SECURITY_IMPLICATION(m_ids.size() == m_handles.size());
+    ASSERT_WITH_SECURITY_IMPLICATION(i &lt; m_ids.size());
+    return { m_ids[i], SandboxExtension::create(m_handles[i]) };
+}
+
+size_t MediaDeviceSandboxExtensions::size() const
+{
+    return m_ids.size();
+}
+
+} // namespace WebKit
+
+#endif // ENABLE(MEDIA_STREAM)
</ins></span></pre></div>
<a id="trunkSourceWebKit2WebProcessMediaStreamMediaDeviceSandboxExtensionsh"></a>
<div class="addfile"><h4>Added: trunk/Source/WebKit2/WebProcess/MediaStream/MediaDeviceSandboxExtensions.h (0 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/MediaStream/MediaDeviceSandboxExtensions.h                                (rev 0)
+++ trunk/Source/WebKit2/WebProcess/MediaStream/MediaDeviceSandboxExtensions.h        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -0,0 +1,59 @@
</span><ins>+/*
+ * Copyright (C) 2016 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#if ENABLE(MEDIA_STREAM)
+
+#include &quot;SandboxExtension.h&quot;
+#include &lt;wtf/Noncopyable.h&gt;
+#include &lt;wtf/RefPtr.h&gt;
+
+namespace WebKit {
+
+class MediaDeviceSandboxExtensions {
+    WTF_MAKE_NONCOPYABLE(MediaDeviceSandboxExtensions);
+public:
+    MediaDeviceSandboxExtensions()
+    {
+    }
+
+    MediaDeviceSandboxExtensions(Vector&lt;String&gt; ids, SandboxExtension::HandleArray&amp;&amp; handles);
+
+    std::pair&lt;String, RefPtr&lt;SandboxExtension&gt;&gt; operator[](size_t i);
+    const std::pair&lt;String, RefPtr&lt;SandboxExtension&gt;&gt; operator[](size_t i) const;
+    size_t size() const;
+
+    void encode(IPC::Encoder&amp;) const;
+    static bool decode(IPC::Decoder&amp;, MediaDeviceSandboxExtensions&amp;);
+
+private:
+    Vector&lt;String&gt; m_ids;
+    SandboxExtension::HandleArray m_handles;
+};
+
+} // namespace WebKit
+
+#endif // ENABLE(MEDIA_STREAM)
</ins></span></pre></div>
<a id="trunkSourceWebKit2WebProcessMediaStreamUserMediaPermissionRequestManagercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/MediaStream/UserMediaPermissionRequestManager.cpp (209511 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/MediaStream/UserMediaPermissionRequestManager.cpp        2016-12-08 02:18:27 UTC (rev 209511)
+++ trunk/Source/WebKit2/WebProcess/MediaStream/UserMediaPermissionRequestManager.cpp        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -52,7 +52,7 @@
</span><span class="cx"> UserMediaPermissionRequestManager::~UserMediaPermissionRequestManager()
</span><span class="cx"> {
</span><span class="cx">     for (auto&amp; sandboxExtension : m_userMediaDeviceSandboxExtensions)
</span><del>-        sandboxExtension-&gt;revoke();
</del><ins>+        sandboxExtension.value-&gt;revoke();
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> void UserMediaPermissionRequestManager::startUserMediaRequest(UserMediaRequest&amp; request)
</span><span class="lines">@@ -202,15 +202,21 @@
</span><span class="cx">     request-&gt;setDeviceInfo(deviceList, mediaDeviceIdentifierHashSalt, hasPersistentAccess);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void UserMediaPermissionRequestManager::grantUserMediaDevicesSandboxExtension(const SandboxExtension::HandleArray&amp; sandboxExtensionHandles)
</del><ins>+void UserMediaPermissionRequestManager::grantUserMediaDeviceSandboxExtensions(const MediaDeviceSandboxExtensions&amp; extensions)
</ins><span class="cx"> {
</span><del>-    ASSERT(m_userMediaDeviceSandboxExtensions.size() &lt;= 2);
</del><ins>+    for (size_t i = 0; i &lt; extensions.size(); i++) {
+        auto&amp; extension = extensions[i];
+        extension.second-&gt;consume();
+        m_userMediaDeviceSandboxExtensions.add(extension.first, extension.second.copyRef());
+    }
+}
</ins><span class="cx"> 
</span><del>-    for (size_t i = 0; i &lt; sandboxExtensionHandles.size(); i++) {
-        if (auto extension = SandboxExtension::create(sandboxExtensionHandles[i])) {
-            extension-&gt;consume();
-            m_userMediaDeviceSandboxExtensions.append(extension.release());
-        }
</del><ins>+void UserMediaPermissionRequestManager::revokeUserMediaDeviceSandboxExtensions(const Vector&lt;String&gt;&amp; extensionIDs)
+{
+    for (const auto&amp; extensionID : extensionIDs) {
+        auto extension = m_userMediaDeviceSandboxExtensions.take(extensionID);
+        if (extension)
+            extension-&gt;revoke();
</ins><span class="cx">     }
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessMediaStreamUserMediaPermissionRequestManagerh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/MediaStream/UserMediaPermissionRequestManager.h (209511 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/MediaStream/UserMediaPermissionRequestManager.h        2016-12-08 02:18:27 UTC (rev 209511)
+++ trunk/Source/WebKit2/WebProcess/MediaStream/UserMediaPermissionRequestManager.h        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -22,6 +22,7 @@
</span><span class="cx"> 
</span><span class="cx"> #if ENABLE(MEDIA_STREAM)
</span><span class="cx"> 
</span><ins>+#include &quot;MediaDeviceSandboxExtensions.h&quot;
</ins><span class="cx"> #include &quot;SandboxExtension.h&quot;
</span><span class="cx"> #include &lt;WebCore/MediaCanStartListener.h&gt;
</span><span class="cx"> #include &lt;WebCore/MediaConstraints.h&gt;
</span><span class="lines">@@ -51,7 +52,8 @@
</span><span class="cx">     void cancelMediaDevicesEnumeration(WebCore::MediaDevicesEnumerationRequest&amp;);
</span><span class="cx">     void didCompleteMediaDeviceEnumeration(uint64_t, const Vector&lt;WebCore::CaptureDevice&gt;&amp; deviceList, const String&amp; deviceIdentifierHashSalt, bool originHasPersistentAccess);
</span><span class="cx"> 
</span><del>-    void grantUserMediaDevicesSandboxExtension(const SandboxExtension::HandleArray&amp;);
</del><ins>+    void grantUserMediaDeviceSandboxExtensions(const MediaDeviceSandboxExtensions&amp;);
+    void revokeUserMediaDeviceSandboxExtensions(const Vector&lt;String&gt;&amp;);
</ins><span class="cx"> 
</span><span class="cx"> private:
</span><span class="cx">     void sendUserMediaRequest(WebCore::UserMediaRequest&amp;);
</span><span class="lines">@@ -69,7 +71,7 @@
</span><span class="cx">     HashMap&lt;uint64_t, RefPtr&lt;WebCore::MediaDevicesEnumerationRequest&gt;&gt; m_idToMediaDevicesEnumerationRequestMap;
</span><span class="cx">     HashMap&lt;RefPtr&lt;WebCore::MediaDevicesEnumerationRequest&gt;, uint64_t&gt; m_mediaDevicesEnumerationRequestToIDMap;
</span><span class="cx"> 
</span><del>-    Vector&lt;RefPtr&lt;SandboxExtension&gt;&gt; m_userMediaDeviceSandboxExtensions;
</del><ins>+    HashMap&lt;String, RefPtr&lt;SandboxExtension&gt;&gt; m_userMediaDeviceSandboxExtensions;
</ins><span class="cx"> 
</span><span class="cx">     HashMap&lt;RefPtr&lt;WebCore::Document&gt;, Vector&lt;RefPtr&lt;WebCore::UserMediaRequest&gt;&gt;&gt; m_blockedRequests;
</span><span class="cx"> };
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPageWebPagecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/WebPage.cpp (209511 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/WebPage.cpp        2016-12-08 02:18:27 UTC (rev 209511)
+++ trunk/Source/WebKit2/WebProcess/WebPage/WebPage.cpp        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -3700,10 +3700,15 @@
</span><span class="cx">     m_userMediaPermissionRequestManager.didCompleteMediaDeviceEnumeration(userMediaID, devices, deviceIdentifierHashSalt, originHasPersistentAccess);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void WebPage::grantUserMediaDevicesSandboxExtension(const SandboxExtension::HandleArray&amp; handles)
</del><ins>+void WebPage::grantUserMediaDeviceSandboxExtensions(const MediaDeviceSandboxExtensions&amp; extensions)
</ins><span class="cx"> {
</span><del>-    m_userMediaPermissionRequestManager.grantUserMediaDevicesSandboxExtension(handles);
</del><ins>+    m_userMediaPermissionRequestManager.grantUserMediaDeviceSandboxExtensions(extensions);
</ins><span class="cx"> }
</span><ins>+
+void WebPage::revokeUserMediaDeviceSandboxExtensions(const Vector&lt;String&gt;&amp; extensionIDs)
+{
+    m_userMediaPermissionRequestManager.revokeUserMediaDeviceSandboxExtensions(extensionIDs);
+}
</ins><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx"> #if !PLATFORM(IOS)
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPageWebPageh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h (209511 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h        2016-12-08 02:18:27 UTC (rev 209511)
+++ trunk/Source/WebKit2/WebProcess/WebPage/WebPage.h        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -1178,7 +1178,8 @@
</span><span class="cx">     void userMediaAccessWasDenied(uint64_t userMediaID, uint64_t reason, String invalidConstraint);
</span><span class="cx"> 
</span><span class="cx">     void didCompleteMediaDeviceEnumeration(uint64_t userMediaID, const Vector&lt;WebCore::CaptureDevice&gt;&amp; devices, const String&amp; deviceIdentifierHashSalt, bool originHasPersistentAccess);
</span><del>-    void grantUserMediaDevicesSandboxExtension(const SandboxExtension::HandleArray&amp;);
</del><ins>+    void grantUserMediaDeviceSandboxExtensions(const MediaDeviceSandboxExtensions&amp;);
+    void revokeUserMediaDeviceSandboxExtensions(const Vector&lt;String&gt;&amp;);
</ins><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx">     void advanceToNextMisspelling(bool startBeforeSelection);
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPageWebPagemessagesin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/WebPage.messages.in (209511 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/WebPage.messages.in        2016-12-08 02:18:27 UTC (rev 209511)
+++ trunk/Source/WebKit2/WebProcess/WebPage/WebPage.messages.in        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -292,7 +292,8 @@
</span><span class="cx">     UserMediaAccessWasGranted(uint64_t userMediaID, String audioDeviceUID, String videoDeviceUID)
</span><span class="cx">     UserMediaAccessWasDenied(uint64_t userMediaID, uint64_t reason, String invalidConstraint)
</span><span class="cx">     DidCompleteMediaDeviceEnumeration(uint64_t userMediaID, Vector&lt;WebCore::CaptureDevice&gt; devices, String mediaDeviceIdentifierHashSalt, bool hasPersistentAccess)
</span><del>-    GrantUserMediaDevicesSandboxExtension(WebKit::SandboxExtension::HandleArray sandboxExtensionHandle)
</del><ins>+    GrantUserMediaDeviceSandboxExtensions(WebKit::MediaDeviceSandboxExtensions sandboxExtensions)
+    RevokeUserMediaDeviceSandboxExtensions(Vector&lt;String&gt; sandboxExtensionIDs)
</ins><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx">     # Notification
</span></span></pre></div>
<a id="trunkToolsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Tools/ChangeLog (209511 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/ChangeLog        2016-12-08 02:18:27 UTC (rev 209511)
+++ trunk/Tools/ChangeLog        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -1,3 +1,21 @@
</span><ins>+2016-12-07  Eric Carlson  &lt;eric.carlson@apple.com&gt;
+
+        [MediaStream][Mac] Revoke sandbox extensions when capture ends
+        https://bugs.webkit.org/show_bug.cgi?id=165476
+
+        Reviewed by Brady Eidson.
+        
+        Add a test which loads a page that calls navigator.mediaDevices.enumerateDevices, kills the
+        page, and loads the same page again to ensure that the WK2 UserMediaPermissionRequestManagerProxy
+        is reset and recreated when a web page exits and is reloaded.
+
+        * TestWebKitAPI/PlatformGTK.cmake:
+        * TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj:
+        * TestWebKitAPI/Tests/WebKit2/EnumerateMediaDevices.cpp: Added.
+        (TestWebKitAPI::checkUserMediaPermissionCallback):
+        (TestWebKitAPI::TEST):
+        * TestWebKitAPI/Tests/WebKit2/enumerateMediaDevices.html: Added.
+
</ins><span class="cx"> 2016-12-07  Jeremy Jones  &lt;jeremyj@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         One esc to exit fullscreen and pointer lock
</span></span></pre></div>
<a id="trunkToolsTestWebKitAPIPlatformGTKcmake"></a>
<div class="modfile"><h4>Modified: trunk/Tools/TestWebKitAPI/PlatformGTK.cmake (209511 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/TestWebKitAPI/PlatformGTK.cmake        2016-12-08 02:18:27 UTC (rev 209511)
+++ trunk/Tools/TestWebKitAPI/PlatformGTK.cmake        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -75,6 +75,7 @@
</span><span class="cx">     ${TESTWEBKITAPI_DIR}/Tests/WebKit2/DOMWindowExtensionBasic.cpp
</span><span class="cx">     ${TESTWEBKITAPI_DIR}/Tests/WebKit2/DOMWindowExtensionNoCache.cpp
</span><span class="cx">     ${TESTWEBKITAPI_DIR}/Tests/WebKit2/DownloadDecideDestinationCrash.cpp
</span><ins>+    ${TESTWEBKITAPI_DIR}/Tests/WebKit2/EnumerateMediaDevices.cpp
</ins><span class="cx">     ${TESTWEBKITAPI_DIR}/Tests/WebKit2/EvaluateJavaScript.cpp
</span><span class="cx">     ${TESTWEBKITAPI_DIR}/Tests/WebKit2/FailedLoad.cpp
</span><span class="cx">     ${TESTWEBKITAPI_DIR}/Tests/WebKit2/Find.cpp
</span></span></pre></div>
<a id="trunkToolsTestWebKitAPITestWebKitAPIxcodeprojprojectpbxproj"></a>
<div class="modfile"><h4>Modified: trunk/Tools/TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj (209511 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj        2016-12-08 02:18:27 UTC (rev 209511)
+++ trunk/Tools/TestWebKitAPI/TestWebKitAPI.xcodeproj/project.pbxproj        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -22,6 +22,8 @@
</span><span class="cx"> /* End PBXAggregateTarget section */
</span><span class="cx"> 
</span><span class="cx"> /* Begin PBXBuildFile section */
</span><ins>+                07492B3B1DF8B14C00633DE1 /* EnumerateMediaDevices.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 07492B3A1DF8AE2D00633DE1 /* EnumerateMediaDevices.cpp */; };
+                07492B3C1DF8B86600633DE1 /* enumerateMediaDevices.html in Copy Resources */ = {isa = PBXBuildFile; fileRef = 07492B391DF8ADA400633DE1 /* enumerateMediaDevices.html */; };
</ins><span class="cx">                 0F139E771A423A5B00F590F5 /* WeakObjCPtr.mm in Sources */ = {isa = PBXBuildFile; fileRef = 0F139E751A423A5300F590F5 /* WeakObjCPtr.mm */; };
</span><span class="cx">                 0F139E781A423A6B00F590F5 /* PlatformUtilitiesCocoa.mm in Sources */ = {isa = PBXBuildFile; fileRef = 0F139E721A423A2B00F590F5 /* PlatformUtilitiesCocoa.mm */; };
</span><span class="cx">                 0F139E791A42457000F590F5 /* PlatformUtilitiesCocoa.mm in Sources */ = {isa = PBXBuildFile; fileRef = 0F139E721A423A2B00F590F5 /* PlatformUtilitiesCocoa.mm */; };
</span><span class="lines">@@ -583,6 +585,7 @@
</span><span class="cx">                         dstPath = TestWebKitAPI.resources;
</span><span class="cx">                         dstSubfolderSpec = 7;
</span><span class="cx">                         files = (
</span><ins>+                                07492B3C1DF8B86600633DE1 /* enumerateMediaDevices.html in Copy Resources */,
</ins><span class="cx">                                 9B270FEE1DDC2C0B002D53F3 /* closed-shadow-tree-test.html in Copy Resources */,
</span><span class="cx">                                 F4C2AB221DD6D95E00E06D5B /* enormous-video-with-sound.html in Copy Resources */,
</span><span class="cx">                                 8349D3C41DB9728E004A9F65 /* link-with-download-attribute.html in Copy Resources */,
</span><span class="lines">@@ -734,6 +737,8 @@
</span><span class="cx"> /* Begin PBXFileReference section */
</span><span class="cx">                 00BC16851680FE810065F1E5 /* PublicSuffix.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = PublicSuffix.mm; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 00CD9F6215BE312C002DA2CE /* BackForwardList.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = BackForwardList.mm; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><ins>+                07492B391DF8ADA400633DE1 /* enumerateMediaDevices.html */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.html; path = enumerateMediaDevices.html; sourceTree = &quot;&lt;group&gt;&quot;; };
+                07492B3A1DF8AE2D00633DE1 /* EnumerateMediaDevices.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = EnumerateMediaDevices.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
</ins><span class="cx">                 0766DD1F1A5AD5200023E3BB /* PendingAPIRequestURL.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = PendingAPIRequestURL.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 0BCD833414857CE400EA2003 /* HashMap.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = HashMap.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="cx">                 0BCD85691485C98B00EA2003 /* SetForScope.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = SetForScope.cpp; sourceTree = &quot;&lt;group&gt;&quot;; };
</span><span class="lines">@@ -1699,6 +1704,7 @@
</span><span class="cx">                 BC9096411255616000083756 /* WebKit2 */ = {
</span><span class="cx">                         isa = PBXGroup;
</span><span class="cx">                         children = (
</span><ins>+                                07492B3A1DF8AE2D00633DE1 /* EnumerateMediaDevices.cpp */,
</ins><span class="cx">                                 AD57AC1E1DA7464D00FF1BDE /* DidRemoveFrameFromHiearchyInPageCache_Bundle.cpp */,
</span><span class="cx">                                 AD57AC1F1DA7464D00FF1BDE /* DidRemoveFrameFromHiearchyInPageCache.cpp */,
</span><span class="cx">                                 0F139E741A423A4600F590F5 /* cocoa */,
</span><span class="lines">@@ -1877,6 +1883,7 @@
</span><span class="cx">                 BC90977B125571AE00083756 /* Resources */ = {
</span><span class="cx">                         isa = PBXGroup;
</span><span class="cx">                         children = (
</span><ins>+                                07492B391DF8ADA400633DE1 /* enumerateMediaDevices.html */,
</ins><span class="cx">                                 C045F9461385C2F800C0F3CD /* 18-characters.html */,
</span><span class="cx">                                 1C2B81851C89252300A5529F /* Ahem.ttf */,
</span><span class="cx">                                 93D3D19B17B1A7B000C7C415 /* all-content-in-one-iframe.html */,
</span><span class="lines">@@ -2587,6 +2594,7 @@
</span><span class="cx">                                 7CCE7ED31A411A7E00447C4C /* TypingStyleCrash.mm in Sources */,
</span><span class="cx">                                 7CCE7EDE1A411A9200447C4C /* URL.cpp in Sources */,
</span><span class="cx">                                 7CCE7EB01A411A4400447C4C /* URLExtras.mm in Sources */,
</span><ins>+                                07492B3B1DF8B14C00633DE1 /* EnumerateMediaDevices.cpp in Sources */,
</ins><span class="cx">                                 7A6A2C701DCCFA8C00C0D085 /* LocalStorageQuirkTest.mm in Sources */,
</span><span class="cx">                                 2DFF7B6D1DA487AF00814614 /* SnapshotStore.mm in Sources */,
</span><span class="cx">                                 5C6E65441D5CEFD400F7862E /* URLParser.cpp in Sources */,
</span></span></pre></div>
<a id="trunkToolsTestWebKitAPITestsWebKit2EnumerateMediaDevicescpp"></a>
<div class="addfile"><h4>Added: trunk/Tools/TestWebKitAPI/Tests/WebKit2/EnumerateMediaDevices.cpp (0 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/TestWebKitAPI/Tests/WebKit2/EnumerateMediaDevices.cpp                                (rev 0)
+++ trunk/Tools/TestWebKitAPI/Tests/WebKit2/EnumerateMediaDevices.cpp        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -0,0 +1,83 @@
</span><ins>+/*
+ * Copyright (C) 2016 Apple Inc. All rights reserved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include &quot;config.h&quot;
+
+#if WK_HAVE_C_SPI
+
+#if ENABLE(MEDIA_STREAM)
+#include &quot;PlatformUtilities.h&quot;
+#include &quot;PlatformWebView.h&quot;
+#include &quot;Test.h&quot;
+#include &lt;WebKit/WKPreferencesRef.h&gt;
+#include &lt;WebKit/WKPreferencesRefPrivate.h&gt;
+#include &lt;WebKit/WKRetainPtr.h&gt;
+#include &lt;WebKit/WKUserMediaPermissionCheck.h&gt;
+#include &lt;string.h&gt;
+#include &lt;vector&gt;
+
+namespace TestWebKitAPI {
+
+static bool loadedFirstTime;
+static bool loadedSecondTime;
+
+void checkUserMediaPermissionCallback(WKPageRef, WKFrameRef, WKSecurityOriginRef, WKSecurityOriginRef, WKUserMediaPermissionCheckRef permissionRequest, const void*)
+{
+    WKUserMediaPermissionCheckSetUserMediaAccessInfo(permissionRequest, WKStringCreateWithUTF8CString(&quot;0x123456789&quot;), true);
+    if (!loadedFirstTime) {
+        loadedFirstTime = true;
+        return;
+    }
+
+    loadedSecondTime = true;
+}
+
+TEST(WebKit2, EnumerateDevices)
+{
+    auto context = adoptWK(WKContextCreate());
+
+    WKRetainPtr&lt;WKPageGroupRef&gt; pageGroup(AdoptWK, WKPageGroupCreateWithIdentifier(Util::toWK(&quot;EnumerateDevices&quot;).get()));
+    WKPreferencesRef preferences = WKPageGroupGetPreferences(pageGroup.get());
+    WKPreferencesSetFileAccessFromFileURLsAllowed(preferences, true);
+    WKPreferencesSetMediaCaptureRequiresSecureConnection(preferences, false);
+
+    WKPageUIClientV6 uiClient;
+    memset(&amp;uiClient, 0, sizeof(uiClient));
+    uiClient.base.version = 6;
+    uiClient.checkUserMediaPermissionForOrigin = checkUserMediaPermissionCallback;
+
+    PlatformWebView webView(context.get());
+    WKPageSetPageUIClient(webView.page(), &amp;uiClient.base);
+
+    auto url = adoptWK(Util::createURLForResource(&quot;enumerateMediaDevices&quot;, &quot;html&quot;));
+
+    // Load and kill the page.
+    WKPageLoadURL(webView.page(), url.get());
+    Util::run(&amp;loadedFirstTime);
+    WKPageTerminate(webView.page());
+
+    // Load it again to make sure the user media process manager doesn't assert.
+    WKPageLoadURL(webView.page(), url.get());
+    Util::run(&amp;loadedSecondTime);
+}
+
+} // namespace TestWebKitAPI
+
+#endif // ENABLE(MEDIA_STREAM)
+
+#endif // WK_HAVE_C_SPI
</ins></span></pre></div>
<a id="trunkToolsTestWebKitAPITestsWebKit2enumerateMediaDeviceshtml"></a>
<div class="addfile"><h4>Added: trunk/Tools/TestWebKitAPI/Tests/WebKit2/enumerateMediaDevices.html (0 => 209512)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Tools/TestWebKitAPI/Tests/WebKit2/enumerateMediaDevices.html                                (rev 0)
+++ trunk/Tools/TestWebKitAPI/Tests/WebKit2/enumerateMediaDevices.html        2016-12-08 02:25:57 UTC (rev 209512)
</span><span class="lines">@@ -0,0 +1,24 @@
</span><ins>+&lt;html&gt;
+    &lt;head&gt;
+        &lt;script&gt;
+            function enumerate(devices)
+            {
+                console.log(&quot;enumerateDevices succeeded&quot;);
+            }
+
+            function userMediaError(error)
+            {
+                console.log(error);
+            }
+
+            function test()
+            {
+                navigator.mediaDevices.enumerateDevices()
+                    .then(enumerate)
+                    .catch(userMediaError);
+            }
+        &lt;/script&gt;
+    &lt;/head&gt;
+    &lt;body onload=&quot;test()&quot;&gt;
+    &lt;/body&gt;
+&lt;/html&gt;
</ins></span></pre>
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