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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/102975">102975</a></dd>
<dt>Author</dt> <dd>andersca@apple.com</dd>
<dt>Date</dt> <dd>2011-12-15 12:44:57 -0800 (Thu, 15 Dec 2011)</dd>
</dl>
<h3>Log Message</h3>
<pre>Add ScrollingCoordinator class and ENABLE_THREADED_SCROLLING define
https://bugs.webkit.org/show_bug.cgi?id=74639
Reviewed by Andreas Kling.
Source/JavaScriptCore:
Add ENABLE_THREADED_SCROLLING #define.
* wtf/Platform.h:
Source/WebCore:
Add a ScrollingCoordinator class and make it a member of Page. Tear it down
when the page goes away.
* WebCore.xcodeproj/project.pbxproj:
* page/Page.cpp:
(WebCore::Page::Page):
(WebCore::Page::~Page):
* page/Page.h:
(WebCore::Page::scrollingCoordinator):
* page/ScrollingCoordinator.cpp: Added.
(WebCore::ScrollingCoordinator::create):
(WebCore::ScrollingCoordinator::ScrollingCoordinator):
(WebCore::ScrollingCoordinator::~ScrollingCoordinator):
(WebCore::ScrollingCoordinator::pageDestroyed):
* page/ScrollingCoordinator.h: Added.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceJavaScriptCoreChangeLog">trunk/Source/JavaScriptCore/ChangeLog</a></li>
<li><a href="#trunkSourceJavaScriptCorewtfPlatformh">trunk/Source/JavaScriptCore/wtf/Platform.h</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreWebCorexcodeprojprojectpbxproj">trunk/Source/WebCore/WebCore.xcodeproj/project.pbxproj</a></li>
<li><a href="#trunkSourceWebCorepagePagecpp">trunk/Source/WebCore/page/Page.cpp</a></li>
<li><a href="#trunkSourceWebCorepagePageh">trunk/Source/WebCore/page/Page.h</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#trunkSourceWebCorepageScrollingCoordinatorcpp">trunk/Source/WebCore/page/ScrollingCoordinator.cpp</a></li>
<li><a href="#trunkSourceWebCorepageScrollingCoordinatorh">trunk/Source/WebCore/page/ScrollingCoordinator.h</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceJavaScriptCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/ChangeLog (102974 => 102975)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/ChangeLog 2011-12-15 20:32:45 UTC (rev 102974)
+++ trunk/Source/JavaScriptCore/ChangeLog 2011-12-15 20:44:57 UTC (rev 102975)
</span><span class="lines">@@ -1,5 +1,16 @@
</span><span class="cx"> 2011-12-15 Anders Carlsson <andersca@apple.com>
</span><span class="cx">
</span><ins>+ Add ScrollingCoordinator class and ENABLE_THREADED_SCROLLING define
+ https://bugs.webkit.org/show_bug.cgi?id=74639
+
+ Reviewed by Andreas Kling.
+
+ Add ENABLE_THREADED_SCROLLING #define.
+
+ * wtf/Platform.h:
+
+2011-12-15 Anders Carlsson <andersca@apple.com>
+
</ins><span class="cx"> EventDispatcher should handle wheel events on the connection queue
</span><span class="cx"> https://bugs.webkit.org/show_bug.cgi?id=74627
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceJavaScriptCorewtfPlatformh"></a>
<div class="modfile"><h4>Modified: trunk/Source/JavaScriptCore/wtf/Platform.h (102974 => 102975)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/JavaScriptCore/wtf/Platform.h 2011-12-15 20:32:45 UTC (rev 102974)
+++ trunk/Source/JavaScriptCore/wtf/Platform.h 2011-12-15 20:44:57 UTC (rev 102975)
</span><span class="lines">@@ -1062,6 +1062,10 @@
</span><span class="cx"> #define ENABLE_PLUGIN_PACKAGE_SIMPLE_HASH 1
</span><span class="cx"> #endif
</span><span class="cx">
</span><ins>+#if PLATFORM(MAC) && !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD) && !defined(BUILDING_ON_LION)
+#define ENABLE_THREADED_SCROLLING 1
+#endif
+
</ins><span class="cx"> /* Set up a define for a common error that is intended to cause a build error -- thus the space after Error. */
</span><span class="cx"> #define WTF_PLATFORM_CFNETWORK Error USE_macro_should_be_used_with_CFNETWORK
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (102974 => 102975)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog 2011-12-15 20:32:45 UTC (rev 102974)
+++ trunk/Source/WebCore/ChangeLog 2011-12-15 20:44:57 UTC (rev 102975)
</span><span class="lines">@@ -1,3 +1,26 @@
</span><ins>+2011-12-15 Anders Carlsson <andersca@apple.com>
+
+ Add ScrollingCoordinator class and ENABLE_THREADED_SCROLLING define
+ https://bugs.webkit.org/show_bug.cgi?id=74639
+
+ Reviewed by Andreas Kling.
+
+ Add a ScrollingCoordinator class and make it a member of Page. Tear it down
+ when the page goes away.
+
+ * WebCore.xcodeproj/project.pbxproj:
+ * page/Page.cpp:
+ (WebCore::Page::Page):
+ (WebCore::Page::~Page):
+ * page/Page.h:
+ (WebCore::Page::scrollingCoordinator):
+ * page/ScrollingCoordinator.cpp: Added.
+ (WebCore::ScrollingCoordinator::create):
+ (WebCore::ScrollingCoordinator::ScrollingCoordinator):
+ (WebCore::ScrollingCoordinator::~ScrollingCoordinator):
+ (WebCore::ScrollingCoordinator::pageDestroyed):
+ * page/ScrollingCoordinator.h: Added.
+
</ins><span class="cx"> 2011-12-15 Kenneth Russell <kbr@google.com>
</span><span class="cx">
</span><span class="cx"> Rename WEBKIT_lose_context to WEBKIT_WEBGL_lose_context
</span></span></pre></div>
<a id="trunkSourceWebCoreWebCorexcodeprojprojectpbxproj"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/WebCore.xcodeproj/project.pbxproj (102974 => 102975)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/WebCore.xcodeproj/project.pbxproj 2011-12-15 20:32:45 UTC (rev 102974)
+++ trunk/Source/WebCore/WebCore.xcodeproj/project.pbxproj 2011-12-15 20:44:57 UTC (rev 102975)
</span><span class="lines">@@ -372,6 +372,8 @@
</span><span class="cx"> 1A2E6E590CC55213004A2062 /* SQLValue.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 1A2E6E570CC55213004A2062 /* SQLValue.cpp */; };
</span><span class="cx"> 1A2E6E5A0CC55213004A2062 /* SQLValue.h in Headers */ = {isa = PBXBuildFile; fileRef = 1A2E6E580CC55213004A2062 /* SQLValue.h */; settings = {ATTRIBUTES = (Private, ); }; };
</span><span class="cx"> 1A2E6E7A0CC556D5004A2062 /* SQLiteAuthorizer.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 1A2E6E780CC556D5004A2062 /* SQLiteAuthorizer.cpp */; };
</span><ins>+ 1A2F9D7914968C740065AC63 /* ScrollingCoordinator.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 1A2F9D7714968C740065AC63 /* ScrollingCoordinator.cpp */; };
+ 1A2F9D7A14968C740065AC63 /* ScrollingCoordinator.h in Headers */ = {isa = PBXBuildFile; fileRef = 1A2F9D7814968C740065AC63 /* ScrollingCoordinator.h */; };
</ins><span class="cx"> 1A3417C90CECFF250049CBDE /* JSCustomVoidCallback.h in Headers */ = {isa = PBXBuildFile; fileRef = 1A3417C70CECFF250049CBDE /* JSCustomVoidCallback.h */; };
</span><span class="cx"> 1A3417CA0CECFF250049CBDE /* JSCustomVoidCallback.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 1A3417C80CECFF250049CBDE /* JSCustomVoidCallback.cpp */; };
</span><span class="cx"> 1A494BFA0A122F4400FDAFC1 /* JSHTMLElement.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 1A494BF80A122F4400FDAFC1 /* JSHTMLElement.cpp */; };
</span><span class="lines">@@ -7482,6 +7484,8 @@
</span><span class="cx"> 1A2E6E570CC55213004A2062 /* SQLValue.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = SQLValue.cpp; path = sql/SQLValue.cpp; sourceTree = "<group>"; };
</span><span class="cx"> 1A2E6E580CC55213004A2062 /* SQLValue.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = SQLValue.h; path = sql/SQLValue.h; sourceTree = "<group>"; };
</span><span class="cx"> 1A2E6E780CC556D5004A2062 /* SQLiteAuthorizer.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = SQLiteAuthorizer.cpp; path = sql/SQLiteAuthorizer.cpp; sourceTree = "<group>"; };
</span><ins>+ 1A2F9D7714968C740065AC63 /* ScrollingCoordinator.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = ScrollingCoordinator.cpp; sourceTree = "<group>"; };
+ 1A2F9D7814968C740065AC63 /* ScrollingCoordinator.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ScrollingCoordinator.h; sourceTree = "<group>"; };
</ins><span class="cx"> 1A3417C70CECFF250049CBDE /* JSCustomVoidCallback.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = JSCustomVoidCallback.h; sourceTree = "<group>"; };
</span><span class="cx"> 1A3417C80CECFF250049CBDE /* JSCustomVoidCallback.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = JSCustomVoidCallback.cpp; sourceTree = "<group>"; };
</span><span class="cx"> 1A494BBB0A122DCD00FDAFC1 /* HTMLElement.idl */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text; path = HTMLElement.idl; sourceTree = "<group>"; };
</span><span class="lines">@@ -15724,6 +15728,8 @@
</span><span class="cx"> BCEC01BA0C274DAC009F4EC9 /* Screen.cpp */,
</span><span class="cx"> BCEC01BB0C274DAC009F4EC9 /* Screen.h */,
</span><span class="cx"> BCEC01BC0C274DAC009F4EC9 /* Screen.idl */,
</span><ins>+ 1A2F9D7714968C740065AC63 /* ScrollingCoordinator.cpp */,
+ 1A2F9D7814968C740065AC63 /* ScrollingCoordinator.h */,
</ins><span class="cx"> BCD0E0F70E972C3500265DEA /* SecurityOrigin.cpp */,
</span><span class="cx"> BCD0E0F80E972C3500265DEA /* SecurityOrigin.h */,
</span><span class="cx"> BCD0E0F90E972C3500265DEA /* SecurityOriginHash.h */,
</span><span class="lines">@@ -24864,6 +24870,7 @@
</span><span class="cx"> 49ECEB6C1499790D00CDD3A4 /* FELightingNEON.h in Headers */,
</span><span class="cx"> 49ECEB6E1499790D00CDD3A4 /* FilterOperation.h in Headers */,
</span><span class="cx"> 49ECEB701499790D00CDD3A4 /* FilterOperations.h in Headers */,
</span><ins>+ 1A2F9D7A14968C740065AC63 /* ScrollingCoordinator.h in Headers */,
</ins><span class="cx"> );
</span><span class="cx"> runOnlyForDeploymentPostprocessing = 0;
</span><span class="cx"> };
</span><span class="lines">@@ -27756,6 +27763,7 @@
</span><span class="cx"> 49ECEB6B1499790D00CDD3A4 /* FELightingNEON.cpp in Sources */,
</span><span class="cx"> 49ECEB6D1499790D00CDD3A4 /* FilterOperation.cpp in Sources */,
</span><span class="cx"> 49ECEB6F1499790D00CDD3A4 /* FilterOperations.cpp in Sources */,
</span><ins>+ 1A2F9D7914968C740065AC63 /* ScrollingCoordinator.cpp in Sources */,
</ins><span class="cx"> );
</span><span class="cx"> runOnlyForDeploymentPostprocessing = 0;
</span><span class="cx"> };
</span></span></pre></div>
<a id="trunkSourceWebCorepagePagecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/Page.cpp (102974 => 102975)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/Page.cpp 2011-12-15 20:32:45 UTC (rev 102974)
+++ trunk/Source/WebCore/page/Page.cpp 2011-12-15 20:44:57 UTC (rev 102975)
</span><span class="lines">@@ -86,6 +86,10 @@
</span><span class="cx"> #include "UserMediaClient.h"
</span><span class="cx"> #endif
</span><span class="cx">
</span><ins>+#if ENABLE(THREADED_SCROLLING)
+#include "ScrollingCoordinator.h"
+#endif
+
</ins><span class="cx"> namespace WebCore {
</span><span class="cx">
</span><span class="cx"> static HashSet<Page*>* allPages;
</span><span class="lines">@@ -148,6 +152,9 @@
</span><span class="cx"> #if ENABLE(MEDIA_STREAM)
</span><span class="cx"> , m_userMediaClient(pageClients.userMediaClient)
</span><span class="cx"> #endif
</span><ins>+#if ENABLE(THREADED_SCROLLING)
+ , m_scrollingCoordinator(ScrollingCoordinator::create(this))
+#endif
</ins><span class="cx"> , m_settings(adoptPtr(new Settings(this)))
</span><span class="cx"> , m_progress(adoptPtr(new ProgressTracker))
</span><span class="cx"> , m_backForwardController(adoptPtr(new BackForwardController(this, pageClients.backForwardClient)))
</span><span class="lines">@@ -219,6 +226,10 @@
</span><span class="cx"> m_userMediaClient->pageDestroyed();
</span><span class="cx"> #endif
</span><span class="cx">
</span><ins>+#if ENABLE(THREADED_SCROLLING)
+ m_scrollingCoordinator->pageDestroyed();
+#endif
+
</ins><span class="cx"> backForward()->close();
</span><span class="cx">
</span><span class="cx"> #ifndef NDEBUG
</span></span></pre></div>
<a id="trunkSourceWebCorepagePageh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/Page.h (102974 => 102975)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/Page.h 2011-12-15 20:32:45 UTC (rev 102974)
+++ trunk/Source/WebCore/page/Page.h 2011-12-15 20:44:57 UTC (rev 102975)
</span><span class="lines">@@ -81,6 +81,7 @@
</span><span class="cx"> class RenderTheme;
</span><span class="cx"> class VisibleSelection;
</span><span class="cx"> class ScrollableArea;
</span><ins>+ class ScrollingCoordinator;
</ins><span class="cx"> class Settings;
</span><span class="cx"> class SpeechInput;
</span><span class="cx"> class SpeechInputClient;
</span><span class="lines">@@ -195,6 +196,9 @@
</span><span class="cx"> #if ENABLE(MEDIA_STREAM)
</span><span class="cx"> UserMediaClient* userMediaClient() const { return m_userMediaClient; }
</span><span class="cx"> #endif
</span><ins>+#if ENABLE(THREADED_SCROLLING)
+ ScrollingCoordinator* scrollingCoordinator() const { return m_scrollingCoordinator.get(); }
+#endif
</ins><span class="cx"> Settings* settings() const { return m_settings.get(); }
</span><span class="cx"> ProgressTracker* progress() const { return m_progress.get(); }
</span><span class="cx"> BackForwardController* backForward() const { return m_backForwardController.get(); }
</span><span class="lines">@@ -388,6 +392,9 @@
</span><span class="cx"> #if ENABLE(MEDIA_STREAM)
</span><span class="cx"> UserMediaClient* m_userMediaClient;
</span><span class="cx"> #endif
</span><ins>+#if ENABLE(THREADED_SCROLLING)
+ RefPtr<ScrollingCoordinator> m_scrollingCoordinator;
+#endif
</ins><span class="cx"> OwnPtr<Settings> m_settings;
</span><span class="cx"> OwnPtr<ProgressTracker> m_progress;
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebCorepageScrollingCoordinatorcpp"></a>
<div class="addfile"><h4>Added: trunk/Source/WebCore/page/ScrollingCoordinator.cpp (0 => 102975)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/ScrollingCoordinator.cpp (rev 0)
+++ trunk/Source/WebCore/page/ScrollingCoordinator.cpp 2011-12-15 20:44:57 UTC (rev 102975)
</span><span class="lines">@@ -0,0 +1,58 @@
</span><ins>+/*
+ * Copyright (C) 2011 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 "config.h"
+#include "ScrollingCoordinator.h"
+
+#include <wtf/PassRefPtr.h>
+
+#if ENABLE(THREADED_SCROLLING)
+
+namespace WebCore {
+
+PassRefPtr<ScrollingCoordinator> ScrollingCoordinator::create(Page* page)
+{
+ return adoptRef(new ScrollingCoordinator(page));
+}
+
+ScrollingCoordinator::ScrollingCoordinator(Page* page)
+ : m_page(page)
+{
+}
+
+ScrollingCoordinator::~ScrollingCoordinator()
+{
+ ASSERT(!m_page);
+}
+
+void ScrollingCoordinator::pageDestroyed()
+{
+ ASSERT(m_page);
+ m_page = 0;
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(THREADED_SCROLLING)
</ins></span></pre></div>
<a id="trunkSourceWebCorepageScrollingCoordinatorh"></a>
<div class="addfile"><h4>Added: trunk/Source/WebCore/page/ScrollingCoordinator.h (0 => 102975)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/ScrollingCoordinator.h (rev 0)
+++ trunk/Source/WebCore/page/ScrollingCoordinator.h 2011-12-15 20:44:57 UTC (rev 102975)
</span><span class="lines">@@ -0,0 +1,58 @@
</span><ins>+/*
+ * Copyright (C) 2011 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.
+ */
+
+#ifndef ScrollingCoordinator_h
+#define ScrollingCoordinator_h
+
+#if ENABLE(THREADED_SCROLLING)
+
+#include <wtf/Forward.h>
+#include <wtf/ThreadSafeRefCounted.h>
+#include <wtf/Threading.h>
+
+namespace WebCore {
+
+class Page;
+class PlatformWheelEvent;
+
+class ScrollingCoordinator : public ThreadSafeRefCounted<ScrollingCoordinator> {
+public:
+ static PassRefPtr<ScrollingCoordinator> create(Page*);
+ ~ScrollingCoordinator();
+
+ void pageDestroyed();
+
+private:
+ explicit ScrollingCoordinator(Page*);
+
+private:
+ Page* m_page;
+};
+
+} // namespace WebCore
+
+#endif // ENABLE(THREADED_SCROLLING)
+
+#endif // ScrollingCoordinator_h
</ins></span></pre>
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