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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/182985">182985</a></dd>
<dt>Author</dt> <dd>simon.fraser@apple.com</dd>
<dt>Date</dt> <dd>2015-04-18 12:39:13 -0700 (Sat, 18 Apr 2015)</dd>
</dl>
<h3>Log Message</h3>
<pre>REGRESSION (<a href="http://trac.webkit.org/projects/webkit/changeset/181656">r181656</a>): Animated tiled layers are missing content
https://bugs.webkit.org/show_bug.cgi?id=143911
rdar://problem/20596328
Reviewed by Darin Adler.
Source/WebCore:
After <a href="http://trac.webkit.org/projects/webkit/changeset/181656">r181656</a>, all requestAnimationFrame was falling back to timers, and not
using the platform's DisplayRefreshMonitor, because of a Nullopt vs nullptr
fumble. As a result, GraphicsLayerUpdater (which updates tiled layers during
animations) was failing to do any updates.
Replace this confusing Optional<> code with simpler code that just forces the
clients to make a DisplayRefreshMonitor if they can, first asking
ChromeClient, and then falling back to createDefaultDisplayRefreshMonitor().
Make lots of things into references, and use C++11 initialization in some places.
Add Internals API to allow a test to get the number of layer flushes that have
occurred.
* dom/ScriptedAnimationController.cpp:
(WebCore::ScriptedAnimationController::ScriptedAnimationController):
(WebCore::ScriptedAnimationController::windowScreenDidChange):
(WebCore::ScriptedAnimationController::scheduleAnimation):
(WebCore::ScriptedAnimationController::createDisplayRefreshMonitor):
* dom/ScriptedAnimationController.h:
* page/ChromeClient.h:
* platform/graphics/DisplayRefreshMonitor.cpp:
(WebCore::DisplayRefreshMonitor::createDefaultDisplayRefreshMonitor):
(WebCore::DisplayRefreshMonitor::create):
(WebCore::DisplayRefreshMonitor::addClient):
(WebCore::DisplayRefreshMonitor::removeClient):
(WebCore::DisplayRefreshMonitor::displayDidRefresh):
* platform/graphics/DisplayRefreshMonitor.h:
* platform/graphics/DisplayRefreshMonitorClient.cpp:
(WebCore::DisplayRefreshMonitorClient::~DisplayRefreshMonitorClient):
* platform/graphics/DisplayRefreshMonitorClient.h:
* platform/graphics/DisplayRefreshMonitorManager.cpp:
(WebCore::DisplayRefreshMonitorManager::createMonitorForClient):
(WebCore::DisplayRefreshMonitorManager::registerClient):
(WebCore::DisplayRefreshMonitorManager::unregisterClient):
(WebCore::DisplayRefreshMonitorManager::scheduleAnimation):
(WebCore::DisplayRefreshMonitorManager::displayDidRefresh):
(WebCore::DisplayRefreshMonitorManager::windowScreenDidChange):
* platform/graphics/DisplayRefreshMonitorManager.h:
* platform/graphics/GraphicsLayerUpdater.cpp:
(WebCore::GraphicsLayerUpdater::GraphicsLayerUpdater):
(WebCore::GraphicsLayerUpdater::scheduleUpdate):
(WebCore::GraphicsLayerUpdater::screenDidChange):
(WebCore::GraphicsLayerUpdater::displayRefreshFired):
(WebCore::GraphicsLayerUpdater::createDisplayRefreshMonitor):
* platform/graphics/GraphicsLayerUpdater.h:
* rendering/RenderLayerCompositor.cpp:
(WebCore::RenderLayerCompositor::RenderLayerCompositor):
(WebCore::RenderLayerCompositor::flushPendingLayerChanges):
(WebCore::RenderLayerCompositor::notifyFlushBeforeDisplayRefresh):
(WebCore::RenderLayerCompositor::flushLayersSoon):
(WebCore::RenderLayerCompositor::createDisplayRefreshMonitor):
(WebCore::RenderLayerCompositor::startTrackingLayerFlushes):
(WebCore::RenderLayerCompositor::layerFlushCount):
* rendering/RenderLayerCompositor.h:
* testing/Internals.cpp:
(WebCore::Internals::startTrackingLayerFlushes):
(WebCore::Internals::layerFlushCount):
* testing/Internals.h:
* testing/Internals.idl:
Source/WebKit2:
After <a href="http://trac.webkit.org/projects/webkit/changeset/181656">r181656</a>, all requestAnimationFrame was falling back to timers, and not
using the platform's DisplayRefreshMonitor, because of a Nullopt vs nullptr
fumble.
Replace this confusing Optional<> code with simpler code that just forces the
clients to make a DisplayRefreshMonitor if they can, first asking
ChromeClient, and then falling back to createDefaultDisplayRefreshMonitor().
Make lots of things into references, and use C++11 initialization in some places.
* WebProcess/WebCoreSupport/WebChromeClient.cpp:
(WebKit::WebChromeClient::createDisplayRefreshMonitor):
* WebProcess/WebCoreSupport/WebChromeClient.h:
LayoutTests:
Test that animates a tiled layer, and checks that layer flushes occur while the
animation is running.
* compositing/animation/animation-backing-expected.txt: Added.
* compositing/animation/animation-backing.html: Added.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoredomScriptedAnimationControllercpp">trunk/Source/WebCore/dom/ScriptedAnimationController.cpp</a></li>
<li><a href="#trunkSourceWebCoredomScriptedAnimationControllerh">trunk/Source/WebCore/dom/ScriptedAnimationController.h</a></li>
<li><a href="#trunkSourceWebCorepageChromeClienth">trunk/Source/WebCore/page/ChromeClient.h</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsDisplayRefreshMonitorcpp">trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitor.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsDisplayRefreshMonitorh">trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitor.h</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsDisplayRefreshMonitorClientcpp">trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitorClient.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsDisplayRefreshMonitorClienth">trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitorClient.h</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsDisplayRefreshMonitorManagercpp">trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitorManager.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsDisplayRefreshMonitorManagerh">trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitorManager.h</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsGraphicsLayerUpdatercpp">trunk/Source/WebCore/platform/graphics/GraphicsLayerUpdater.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsGraphicsLayerUpdaterh">trunk/Source/WebCore/platform/graphics/GraphicsLayerUpdater.h</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderLayerCompositorcpp">trunk/Source/WebCore/rendering/RenderLayerCompositor.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderLayerCompositorh">trunk/Source/WebCore/rendering/RenderLayerCompositor.h</a></li>
<li><a href="#trunkSourceWebCoretestingInternalscpp">trunk/Source/WebCore/testing/Internals.cpp</a></li>
<li><a href="#trunkSourceWebCoretestingInternalsh">trunk/Source/WebCore/testing/Internals.h</a></li>
<li><a href="#trunkSourceWebCoretestingInternalsidl">trunk/Source/WebCore/testing/Internals.idl</a></li>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebCoreSupportWebChromeClientcpp">trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.cpp</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebCoreSupportWebChromeClienth">trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.h</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebPageDrawingAreacpp">trunk/Source/WebKit2/WebProcess/WebPage/DrawingArea.cpp</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebPageDrawingAreah">trunk/Source/WebKit2/WebProcess/WebPage/DrawingArea.h</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebPagemacRemoteLayerTreeDrawingAreah">trunk/Source/WebKit2/WebProcess/WebPage/mac/RemoteLayerTreeDrawingArea.h</a></li>
<li><a href="#trunkSourceWebKit2WebProcessWebPagemacRemoteLayerTreeDrawingAreamm">trunk/Source/WebKit2/WebProcess/WebPage/mac/RemoteLayerTreeDrawingArea.mm</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#trunkLayoutTestscompositinganimationanimationbackingexpectedtxt">trunk/LayoutTests/compositing/animation/animation-backing-expected.txt</a></li>
<li><a href="#trunkLayoutTestscompositinganimationanimationbackinghtml">trunk/LayoutTests/compositing/animation/animation-backing.html</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/LayoutTests/ChangeLog        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -1,3 +1,17 @@
</span><ins>+2015-04-18 Simon Fraser <simon.fraser@apple.com>
+
+ REGRESSION (r181656): Animated tiled layers are missing content
+ https://bugs.webkit.org/show_bug.cgi?id=143911
+ rdar://problem/20596328
+
+ Reviewed by Darin Adler.
+
+ Test that animates a tiled layer, and checks that layer flushes occur while the
+ animation is running.
+
+ * compositing/animation/animation-backing-expected.txt: Added.
+ * compositing/animation/animation-backing.html: Added.
+
</ins><span class="cx"> 2015-04-17 Bem Jones-Bey <bjonesbe@adobe.com>
</span><span class="cx">
</span><span class="cx"> Large values for line-height cause integer overflow in RenderStyle::computedLineHeight
</span></span></pre></div>
<a id="trunkLayoutTestscompositinganimationanimationbackingexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/compositing/animation/animation-backing-expected.txt (0 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/compositing/animation/animation-backing-expected.txt         (rev 0)
+++ trunk/LayoutTests/compositing/animation/animation-backing-expected.txt        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -0,0 +1 @@
</span><ins>+Saw layer flushes during animation: PASS
</ins></span></pre></div>
<a id="trunkLayoutTestscompositinganimationanimationbackinghtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/compositing/animation/animation-backing.html (0 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/compositing/animation/animation-backing.html         (rev 0)
+++ trunk/LayoutTests/compositing/animation/animation-backing.html        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -0,0 +1,54 @@
</span><ins>+<!DOCTYPE html>
+
+<html>
+<head>
+ <style>
+ .mover {
+ height: 100px;
+ width: 3000px;
+ background-color: gray;
+ border: 1px solid black;
+ }
+
+ .mover.animating {
+ animation: move 0.25s forwards linear;
+ }
+
+ @keyframes move {
+ from { transform: translateX(1000px); }
+ to { transform: translateX(-2000px); }
+ }
+ </style>
+ <script>
+ if (window.testRunner) {
+ testRunner.dumpAsText();
+ testRunner.waitUntilDone();
+ }
+ function doTest()
+ {
+ window.setTimeout(function() {
+ var mover = document.getElementById('mover');
+ mover.addEventListener('animationstart', function() {
+ if (window.internals)
+ internals.startTrackingLayerFlushes();
+ });
+
+ mover.addEventListener('animationend', function() {
+ if (window.internals) {
+ var flushCount = internals.layerFlushCount();
+ document.getElementById('result').textContent = flushCount ? "Saw layer flushes during animation: PASS" : "No layer flushes during animation: FAIL";
+ }
+ if (window.testRunner)
+ testRunner.notifyDone();
+ });
+ mover.classList.add('animating');
+ }, 0);
+ }
+ window.addEventListener('load', doTest, false);
+ </script>
+</head>
+<body>
+<div id="mover" class="mover"></div>
+<div id="result">This test must be run in the test harness.</div>
+</body>
+</html>
</ins></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebCore/ChangeLog        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -1,3 +1,72 @@
</span><ins>+2015-04-18 Simon Fraser <simon.fraser@apple.com>
+
+ REGRESSION (r181656): Animated tiled layers are missing content
+ https://bugs.webkit.org/show_bug.cgi?id=143911
+ rdar://problem/20596328
+
+ Reviewed by Darin Adler.
+
+ After r181656, all requestAnimationFrame was falling back to timers, and not
+ using the platform's DisplayRefreshMonitor, because of a Nullopt vs nullptr
+ fumble. As a result, GraphicsLayerUpdater (which updates tiled layers during
+ animations) was failing to do any updates.
+
+ Replace this confusing Optional<> code with simpler code that just forces the
+ clients to make a DisplayRefreshMonitor if they can, first asking
+ ChromeClient, and then falling back to createDefaultDisplayRefreshMonitor().
+
+ Make lots of things into references, and use C++11 initialization in some places.
+
+ Add Internals API to allow a test to get the number of layer flushes that have
+ occurred.
+
+ * dom/ScriptedAnimationController.cpp:
+ (WebCore::ScriptedAnimationController::ScriptedAnimationController):
+ (WebCore::ScriptedAnimationController::windowScreenDidChange):
+ (WebCore::ScriptedAnimationController::scheduleAnimation):
+ (WebCore::ScriptedAnimationController::createDisplayRefreshMonitor):
+ * dom/ScriptedAnimationController.h:
+ * page/ChromeClient.h:
+ * platform/graphics/DisplayRefreshMonitor.cpp:
+ (WebCore::DisplayRefreshMonitor::createDefaultDisplayRefreshMonitor):
+ (WebCore::DisplayRefreshMonitor::create):
+ (WebCore::DisplayRefreshMonitor::addClient):
+ (WebCore::DisplayRefreshMonitor::removeClient):
+ (WebCore::DisplayRefreshMonitor::displayDidRefresh):
+ * platform/graphics/DisplayRefreshMonitor.h:
+ * platform/graphics/DisplayRefreshMonitorClient.cpp:
+ (WebCore::DisplayRefreshMonitorClient::~DisplayRefreshMonitorClient):
+ * platform/graphics/DisplayRefreshMonitorClient.h:
+ * platform/graphics/DisplayRefreshMonitorManager.cpp:
+ (WebCore::DisplayRefreshMonitorManager::createMonitorForClient):
+ (WebCore::DisplayRefreshMonitorManager::registerClient):
+ (WebCore::DisplayRefreshMonitorManager::unregisterClient):
+ (WebCore::DisplayRefreshMonitorManager::scheduleAnimation):
+ (WebCore::DisplayRefreshMonitorManager::displayDidRefresh):
+ (WebCore::DisplayRefreshMonitorManager::windowScreenDidChange):
+ * platform/graphics/DisplayRefreshMonitorManager.h:
+ * platform/graphics/GraphicsLayerUpdater.cpp:
+ (WebCore::GraphicsLayerUpdater::GraphicsLayerUpdater):
+ (WebCore::GraphicsLayerUpdater::scheduleUpdate):
+ (WebCore::GraphicsLayerUpdater::screenDidChange):
+ (WebCore::GraphicsLayerUpdater::displayRefreshFired):
+ (WebCore::GraphicsLayerUpdater::createDisplayRefreshMonitor):
+ * platform/graphics/GraphicsLayerUpdater.h:
+ * rendering/RenderLayerCompositor.cpp:
+ (WebCore::RenderLayerCompositor::RenderLayerCompositor):
+ (WebCore::RenderLayerCompositor::flushPendingLayerChanges):
+ (WebCore::RenderLayerCompositor::notifyFlushBeforeDisplayRefresh):
+ (WebCore::RenderLayerCompositor::flushLayersSoon):
+ (WebCore::RenderLayerCompositor::createDisplayRefreshMonitor):
+ (WebCore::RenderLayerCompositor::startTrackingLayerFlushes):
+ (WebCore::RenderLayerCompositor::layerFlushCount):
+ * rendering/RenderLayerCompositor.h:
+ * testing/Internals.cpp:
+ (WebCore::Internals::startTrackingLayerFlushes):
+ (WebCore::Internals::layerFlushCount):
+ * testing/Internals.h:
+ * testing/Internals.idl:
+
</ins><span class="cx"> 2015-04-17 Bem Jones-Bey <bjonesbe@adobe.com>
</span><span class="cx">
</span><span class="cx"> Large values for line-height cause integer overflow in RenderStyle::computedLineHeight
</span></span></pre></div>
<a id="trunkSourceWebCoredomScriptedAnimationControllercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/ScriptedAnimationController.cpp (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/ScriptedAnimationController.cpp        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebCore/dom/ScriptedAnimationController.cpp        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -51,16 +51,9 @@
</span><span class="cx">
</span><span class="cx"> ScriptedAnimationController::ScriptedAnimationController(Document* document, PlatformDisplayID displayID)
</span><span class="cx"> : m_document(document)
</span><del>- , m_nextCallbackId(0)
- , m_suspendCount(0)
</del><span class="cx"> #if USE(REQUEST_ANIMATION_FRAME_TIMER)
</span><span class="cx"> , m_animationTimer(*this, &ScriptedAnimationController::animationTimerFired)
</span><del>- , m_lastAnimationFrameTimeMonotonic(0)
-#if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
- , m_isUsingTimer(false)
- , m_isThrottled(false)
</del><span class="cx"> #endif
</span><del>-#endif
</del><span class="cx"> {
</span><span class="cx"> windowScreenDidChange(displayID);
</span><span class="cx"> }
</span><span class="lines">@@ -173,7 +166,7 @@
</span><span class="cx"> if (m_document->settings() && !m_document->settings()->requestAnimationFrameEnabled())
</span><span class="cx"> return;
</span><span class="cx"> #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
</span><del>- DisplayRefreshMonitorManager::sharedManager().windowScreenDidChange(displayID, this);
</del><ins>+ DisplayRefreshMonitorManager::sharedManager().windowScreenDidChange(displayID, *this);
</ins><span class="cx"> #else
</span><span class="cx"> UNUSED_PARAM(displayID);
</span><span class="cx"> #endif
</span><span class="lines">@@ -187,7 +180,7 @@
</span><span class="cx"> #if USE(REQUEST_ANIMATION_FRAME_TIMER)
</span><span class="cx"> #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
</span><span class="cx"> if (!m_isUsingTimer && !m_isThrottled) {
</span><del>- if (DisplayRefreshMonitorManager::sharedManager().scheduleAnimation(this))
</del><ins>+ if (DisplayRefreshMonitorManager::sharedManager().scheduleAnimation(*this))
</ins><span class="cx"> return;
</span><span class="cx">
</span><span class="cx"> m_isUsingTimer = true;
</span><span class="lines">@@ -226,11 +219,15 @@
</span><span class="cx">
</span><span class="cx">
</span><span class="cx"> #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
</span><del>-Optional<RefPtr<DisplayRefreshMonitor>> ScriptedAnimationController::createDisplayRefreshMonitor(PlatformDisplayID displayID) const
</del><ins>+RefPtr<DisplayRefreshMonitor> ScriptedAnimationController::createDisplayRefreshMonitor(PlatformDisplayID displayID) const
</ins><span class="cx"> {
</span><span class="cx"> if (!m_document->page())
</span><del>- return Optional<RefPtr<DisplayRefreshMonitor>>(nullptr);
- return Optional<RefPtr<DisplayRefreshMonitor>>(m_document->page()->chrome().client().createDisplayRefreshMonitor(displayID));
</del><ins>+ return nullptr;
+
+ if (auto monitor = m_document->page()->chrome().client().createDisplayRefreshMonitor(displayID))
+ return monitor;
+
+ return DisplayRefreshMonitor::createDefaultDisplayRefreshMonitor(displayID);
</ins><span class="cx"> }
</span><span class="cx"> #endif
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebCoredomScriptedAnimationControllerh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/ScriptedAnimationController.h (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/ScriptedAnimationController.h        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebCore/dom/ScriptedAnimationController.h        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -78,23 +78,23 @@
</span><span class="cx"> CallbackList m_callbacks;
</span><span class="cx">
</span><span class="cx"> Document* m_document;
</span><del>- CallbackId m_nextCallbackId;
- int m_suspendCount;
</del><ins>+ CallbackId m_nextCallbackId { 0 };
+ int m_suspendCount { 0 };
</ins><span class="cx">
</span><span class="cx"> void scheduleAnimation();
</span><span class="cx">
</span><span class="cx"> #if USE(REQUEST_ANIMATION_FRAME_TIMER)
</span><span class="cx"> void animationTimerFired();
</span><span class="cx"> Timer m_animationTimer;
</span><del>- double m_lastAnimationFrameTimeMonotonic;
</del><ins>+ double m_lastAnimationFrameTimeMonotonic { 0 };
</ins><span class="cx">
</span><span class="cx"> #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
</span><span class="cx"> // Override for DisplayRefreshMonitorClient
</span><span class="cx"> virtual void displayRefreshFired(double timestamp) override;
</span><del>- virtual Optional<RefPtr<DisplayRefreshMonitor>> createDisplayRefreshMonitor(PlatformDisplayID) const override;
</del><ins>+ virtual RefPtr<DisplayRefreshMonitor> createDisplayRefreshMonitor(PlatformDisplayID) const override;
</ins><span class="cx">
</span><del>- bool m_isUsingTimer;
- bool m_isThrottled;
</del><ins>+ bool m_isUsingTimer { false };
+ bool m_isThrottled { false };
</ins><span class="cx"> #endif
</span><span class="cx"> #endif
</span><span class="cx"> };
</span></span></pre></div>
<a id="trunkSourceWebCorepageChromeClienth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/ChromeClient.h (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/ChromeClient.h        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebCore/page/ChromeClient.h        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -286,7 +286,7 @@
</span><span class="cx"> virtual GraphicsLayerFactory* graphicsLayerFactory() const { return nullptr; }
</span><span class="cx">
</span><span class="cx"> #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
</span><del>- virtual Optional<RefPtr<DisplayRefreshMonitor>> createDisplayRefreshMonitor(PlatformDisplayID) const { return Nullopt; }
</del><ins>+ virtual RefPtr<DisplayRefreshMonitor> createDisplayRefreshMonitor(PlatformDisplayID) const { return nullptr; }
</ins><span class="cx"> #endif
</span><span class="cx">
</span><span class="cx"> // Pass 0 as the GraphicsLayer to detatch the root layer.
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsDisplayRefreshMonitorcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitor.cpp (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitor.cpp        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitor.cpp        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -35,23 +35,22 @@
</span><span class="cx">
</span><span class="cx"> namespace WebCore {
</span><span class="cx">
</span><del>-RefPtr<DisplayRefreshMonitor> DisplayRefreshMonitor::create(DisplayRefreshMonitorClient* client)
</del><ins>+RefPtr<DisplayRefreshMonitor> DisplayRefreshMonitor::createDefaultDisplayRefreshMonitor(PlatformDisplayID displayID)
</ins><span class="cx"> {
</span><del>- PlatformDisplayID displayID = client->displayID();
-
- if (Optional<RefPtr<DisplayRefreshMonitor>> monitor = client->createDisplayRefreshMonitor(displayID))
- return monitor.value();
-
- // If ChromeClient returned Nullopt, we'll make one of the default type.
-
</del><span class="cx"> #if PLATFORM(MAC)
</span><span class="cx"> return DisplayRefreshMonitorMac::create(displayID);
</span><span class="cx"> #endif
</span><span class="cx"> #if PLATFORM(IOS)
</span><span class="cx"> return DisplayRefreshMonitorIOS::create(displayID);
</span><span class="cx"> #endif
</span><ins>+ return nullptr;
</ins><span class="cx"> }
</span><span class="cx">
</span><ins>+RefPtr<DisplayRefreshMonitor> DisplayRefreshMonitor::create(DisplayRefreshMonitorClient& client)
+{
+ return client.createDisplayRefreshMonitor(client.displayID());
+}
+
</ins><span class="cx"> DisplayRefreshMonitor::DisplayRefreshMonitor(PlatformDisplayID displayID)
</span><span class="cx"> : m_monotonicAnimationStartTime(0)
</span><span class="cx"> , m_active(true)
</span><span class="lines">@@ -73,16 +72,16 @@
</span><span class="cx"> monitor->displayDidRefresh();
</span><span class="cx"> }
</span><span class="cx">
</span><del>-void DisplayRefreshMonitor::addClient(DisplayRefreshMonitorClient* client)
</del><ins>+void DisplayRefreshMonitor::addClient(DisplayRefreshMonitorClient& client)
</ins><span class="cx"> {
</span><del>- m_clients.add(client);
</del><ins>+ m_clients.add(&client);
</ins><span class="cx"> }
</span><span class="cx">
</span><del>-bool DisplayRefreshMonitor::removeClient(DisplayRefreshMonitorClient* client)
</del><ins>+bool DisplayRefreshMonitor::removeClient(DisplayRefreshMonitorClient& client)
</ins><span class="cx"> {
</span><span class="cx"> if (m_clientsToBeNotified)
</span><del>- m_clientsToBeNotified->remove(client);
- return m_clients.remove(client);
</del><ins>+ m_clientsToBeNotified->remove(&client);
+ return m_clients.remove(&client);
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> void DisplayRefreshMonitor::displayDidRefresh()
</span><span class="lines">@@ -126,7 +125,7 @@
</span><span class="cx"> m_previousFrameDone = true;
</span><span class="cx"> }
</span><span class="cx">
</span><del>- DisplayRefreshMonitorManager::sharedManager().displayDidRefresh(this);
</del><ins>+ DisplayRefreshMonitorManager::sharedManager().displayDidRefresh(*this);
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsDisplayRefreshMonitorh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitor.h (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitor.h        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitor.h        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -41,7 +41,7 @@
</span><span class="cx">
</span><span class="cx"> class DisplayRefreshMonitor : public RefCounted<DisplayRefreshMonitor> {
</span><span class="cx"> public:
</span><del>- static RefPtr<DisplayRefreshMonitor> create(DisplayRefreshMonitorClient*);
</del><ins>+ static RefPtr<DisplayRefreshMonitor> create(DisplayRefreshMonitorClient&);
</ins><span class="cx"> WEBCORE_EXPORT virtual ~DisplayRefreshMonitor();
</span><span class="cx">
</span><span class="cx"> // Return true if callback request was scheduled, false if it couldn't be
</span><span class="lines">@@ -50,8 +50,8 @@
</span><span class="cx"> void windowScreenDidChange(PlatformDisplayID);
</span><span class="cx">
</span><span class="cx"> bool hasClients() const { return m_clients.size(); }
</span><del>- void addClient(DisplayRefreshMonitorClient*);
- bool removeClient(DisplayRefreshMonitorClient*);
</del><ins>+ void addClient(DisplayRefreshMonitorClient&);
+ bool removeClient(DisplayRefreshMonitorClient&);
</ins><span class="cx">
</span><span class="cx"> PlatformDisplayID displayID() const { return m_displayID; }
</span><span class="cx">
</span><span class="lines">@@ -74,6 +74,8 @@
</span><span class="cx">
</span><span class="cx"> Mutex& mutex() { return m_mutex; }
</span><span class="cx">
</span><ins>+ static RefPtr<DisplayRefreshMonitor> createDefaultDisplayRefreshMonitor(PlatformDisplayID);
+
</ins><span class="cx"> protected:
</span><span class="cx"> WEBCORE_EXPORT explicit DisplayRefreshMonitor(PlatformDisplayID);
</span><span class="cx"> WEBCORE_EXPORT static void handleDisplayRefreshedNotificationOnMainThread(void* data);
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsDisplayRefreshMonitorClientcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitorClient.cpp (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitorClient.cpp        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitorClient.cpp        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -41,7 +41,7 @@
</span><span class="cx">
</span><span class="cx"> DisplayRefreshMonitorClient::~DisplayRefreshMonitorClient()
</span><span class="cx"> {
</span><del>- DisplayRefreshMonitorManager::sharedManager().unregisterClient(this);
</del><ins>+ DisplayRefreshMonitorManager::sharedManager().unregisterClient(*this);
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> void DisplayRefreshMonitorClient::fireDisplayRefreshIfNeeded(double timestamp)
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsDisplayRefreshMonitorClienth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitorClient.h (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitorClient.h        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitorClient.h        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -44,10 +44,7 @@
</span><span class="cx"> // Always called on the main thread.
</span><span class="cx"> virtual void displayRefreshFired(double timestamp) = 0;
</span><span class="cx">
</span><del>- // Returning nullopt indicates that WebCore should create whatever DisplayRefreshMonitor it deems
- // most appropriate for the current platform. Returning nullptr indicates that we should not try to
- // create a DisplayRefreshMonitor at all (and should instead fall back to using a timer).
- virtual Optional<RefPtr<DisplayRefreshMonitor>> createDisplayRefreshMonitor(PlatformDisplayID) const = 0;
</del><ins>+ virtual RefPtr<DisplayRefreshMonitor> createDisplayRefreshMonitor(PlatformDisplayID) const = 0;
</ins><span class="cx">
</span><span class="cx"> PlatformDisplayID displayID() const { return m_displayID; }
</span><span class="cx"> bool hasDisplayID() const { return m_displayIDIsSet; }
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsDisplayRefreshMonitorManagercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitorManager.cpp (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitorManager.cpp        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitorManager.cpp        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -44,9 +44,9 @@
</span><span class="cx"> return manager.get();
</span><span class="cx"> }
</span><span class="cx">
</span><del>-DisplayRefreshMonitor* DisplayRefreshMonitorManager::createMonitorForClient(DisplayRefreshMonitorClient* client)
</del><ins>+DisplayRefreshMonitor* DisplayRefreshMonitorManager::createMonitorForClient(DisplayRefreshMonitorClient& client)
</ins><span class="cx"> {
</span><del>- PlatformDisplayID clientDisplayID = client->displayID();
</del><ins>+ PlatformDisplayID clientDisplayID = client.displayID();
</ins><span class="cx"> for (const RefPtr<DisplayRefreshMonitor>& monitor : m_monitors) {
</span><span class="cx"> if (monitor->displayID() != clientDisplayID)
</span><span class="cx"> continue;
</span><span class="lines">@@ -57,26 +57,27 @@
</span><span class="cx"> RefPtr<DisplayRefreshMonitor> monitor = DisplayRefreshMonitor::create(client);
</span><span class="cx"> if (!monitor)
</span><span class="cx"> return nullptr;
</span><ins>+
</ins><span class="cx"> monitor->addClient(client);
</span><span class="cx"> DisplayRefreshMonitor* result = monitor.get();
</span><span class="cx"> m_monitors.append(monitor.release());
</span><span class="cx"> return result;
</span><span class="cx"> }
</span><span class="cx">
</span><del>-void DisplayRefreshMonitorManager::registerClient(DisplayRefreshMonitorClient* client)
</del><ins>+void DisplayRefreshMonitorManager::registerClient(DisplayRefreshMonitorClient& client)
</ins><span class="cx"> {
</span><del>- if (!client->hasDisplayID())
</del><ins>+ if (!client.hasDisplayID())
</ins><span class="cx"> return;
</span><span class="cx">
</span><span class="cx"> createMonitorForClient(client);
</span><span class="cx"> }
</span><span class="cx">
</span><del>-void DisplayRefreshMonitorManager::unregisterClient(DisplayRefreshMonitorClient* client)
</del><ins>+void DisplayRefreshMonitorManager::unregisterClient(DisplayRefreshMonitorClient& client)
</ins><span class="cx"> {
</span><del>- if (!client->hasDisplayID())
</del><ins>+ if (!client.hasDisplayID())
</ins><span class="cx"> return;
</span><span class="cx">
</span><del>- PlatformDisplayID clientDisplayID = client->displayID();
</del><ins>+ PlatformDisplayID clientDisplayID = client.displayID();
</ins><span class="cx"> for (size_t i = 0; i < m_monitors.size(); ++i) {
</span><span class="cx"> RefPtr<DisplayRefreshMonitor> monitor = m_monitors[i];
</span><span class="cx"> if (monitor->displayID() != clientDisplayID)
</span><span class="lines">@@ -89,38 +90,38 @@
</span><span class="cx"> }
</span><span class="cx"> }
</span><span class="cx">
</span><del>-bool DisplayRefreshMonitorManager::scheduleAnimation(DisplayRefreshMonitorClient* client)
</del><ins>+bool DisplayRefreshMonitorManager::scheduleAnimation(DisplayRefreshMonitorClient& client)
</ins><span class="cx"> {
</span><del>- if (!client->hasDisplayID())
</del><ins>+ if (!client.hasDisplayID())
</ins><span class="cx"> return false;
</span><span class="cx">
</span><span class="cx"> DisplayRefreshMonitor* monitor = createMonitorForClient(client);
</span><span class="cx"> if (!monitor)
</span><span class="cx"> return false;
</span><span class="cx">
</span><del>- client->setIsScheduled(true);
</del><ins>+ client.setIsScheduled(true);
</ins><span class="cx"> return monitor->requestRefreshCallback();
</span><span class="cx"> }
</span><span class="cx">
</span><del>-void DisplayRefreshMonitorManager::displayDidRefresh(DisplayRefreshMonitor* monitor)
</del><ins>+void DisplayRefreshMonitorManager::displayDidRefresh(DisplayRefreshMonitor& monitor)
</ins><span class="cx"> {
</span><del>- if (!monitor->shouldBeTerminated())
</del><ins>+ if (!monitor.shouldBeTerminated())
</ins><span class="cx"> return;
</span><span class="cx">
</span><del>- size_t monitorIndex = m_monitors.find(monitor);
</del><ins>+ size_t monitorIndex = m_monitors.find(&monitor);
</ins><span class="cx"> ASSERT(monitorIndex != notFound);
</span><span class="cx"> m_monitors.remove(monitorIndex);
</span><span class="cx"> }
</span><span class="cx">
</span><del>-void DisplayRefreshMonitorManager::windowScreenDidChange(PlatformDisplayID displayID, DisplayRefreshMonitorClient* client)
</del><ins>+void DisplayRefreshMonitorManager::windowScreenDidChange(PlatformDisplayID displayID, DisplayRefreshMonitorClient& client)
</ins><span class="cx"> {
</span><del>- if (client->hasDisplayID() && client->displayID() == displayID)
</del><ins>+ if (client.hasDisplayID() && client.displayID() == displayID)
</ins><span class="cx"> return;
</span><span class="cx">
</span><span class="cx"> unregisterClient(client);
</span><del>- client->setDisplayID(displayID);
</del><ins>+ client.setDisplayID(displayID);
</ins><span class="cx"> registerClient(client);
</span><del>- if (client->isScheduled())
</del><ins>+ if (client.isScheduled())
</ins><span class="cx"> scheduleAnimation(client);
</span><span class="cx"> }
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsDisplayRefreshMonitorManagerh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitorManager.h (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitorManager.h        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebCore/platform/graphics/DisplayRefreshMonitorManager.h        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -41,20 +41,20 @@
</span><span class="cx"> public:
</span><span class="cx"> static DisplayRefreshMonitorManager& sharedManager();
</span><span class="cx">
</span><del>- void registerClient(DisplayRefreshMonitorClient*);
- void unregisterClient(DisplayRefreshMonitorClient*);
</del><ins>+ void registerClient(DisplayRefreshMonitorClient&);
+ void unregisterClient(DisplayRefreshMonitorClient&);
</ins><span class="cx">
</span><del>- bool scheduleAnimation(DisplayRefreshMonitorClient*);
- void windowScreenDidChange(PlatformDisplayID, DisplayRefreshMonitorClient*);
</del><ins>+ bool scheduleAnimation(DisplayRefreshMonitorClient&);
+ void windowScreenDidChange(PlatformDisplayID, DisplayRefreshMonitorClient&);
</ins><span class="cx">
</span><span class="cx"> private:
</span><span class="cx"> friend class DisplayRefreshMonitor;
</span><del>- void displayDidRefresh(DisplayRefreshMonitor*);
</del><ins>+ void displayDidRefresh(DisplayRefreshMonitor&);
</ins><span class="cx">
</span><span class="cx"> DisplayRefreshMonitorManager() { }
</span><span class="cx"> virtual ~DisplayRefreshMonitorManager();
</span><span class="cx">
</span><del>- DisplayRefreshMonitor* createMonitorForClient(DisplayRefreshMonitorClient*);
</del><ins>+ DisplayRefreshMonitor* createMonitorForClient(DisplayRefreshMonitorClient&);
</ins><span class="cx">
</span><span class="cx"> Vector<RefPtr<DisplayRefreshMonitor>> m_monitors;
</span><span class="cx"> };
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsGraphicsLayerUpdatercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/GraphicsLayerUpdater.cpp (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/GraphicsLayerUpdater.cpp        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebCore/platform/graphics/GraphicsLayerUpdater.cpp        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -31,14 +31,13 @@
</span><span class="cx">
</span><span class="cx"> namespace WebCore {
</span><span class="cx">
</span><del>-GraphicsLayerUpdater::GraphicsLayerUpdater(GraphicsLayerUpdaterClient* client, PlatformDisplayID displayID)
</del><ins>+GraphicsLayerUpdater::GraphicsLayerUpdater(GraphicsLayerUpdaterClient& client, PlatformDisplayID displayID)
</ins><span class="cx"> : m_client(client)
</span><del>- , m_scheduled(false)
</del><span class="cx"> {
</span><span class="cx"> #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
</span><del>- DisplayRefreshMonitorManager::sharedManager().registerClient(this);
- DisplayRefreshMonitorManager::sharedManager().windowScreenDidChange(displayID, this);
- DisplayRefreshMonitorManager::sharedManager().scheduleAnimation(this);
</del><ins>+ DisplayRefreshMonitorManager::sharedManager().registerClient(*this);
+ DisplayRefreshMonitorManager::sharedManager().windowScreenDidChange(displayID, *this);
+ DisplayRefreshMonitorManager::sharedManager().scheduleAnimation(*this);
</ins><span class="cx"> #else
</span><span class="cx"> UNUSED_PARAM(displayID);
</span><span class="cx"> #endif
</span><span class="lines">@@ -55,7 +54,7 @@
</span><span class="cx"> return;
</span><span class="cx">
</span><span class="cx"> #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
</span><del>- DisplayRefreshMonitorManager::sharedManager().scheduleAnimation(this);
</del><ins>+ DisplayRefreshMonitorManager::sharedManager().scheduleAnimation(*this);
</ins><span class="cx"> #endif
</span><span class="cx"> m_scheduled = true;
</span><span class="cx"> }
</span><span class="lines">@@ -63,7 +62,7 @@
</span><span class="cx"> void GraphicsLayerUpdater::screenDidChange(PlatformDisplayID displayID)
</span><span class="cx"> {
</span><span class="cx"> #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
</span><del>- DisplayRefreshMonitorManager::sharedManager().windowScreenDidChange(displayID, this);
</del><ins>+ DisplayRefreshMonitorManager::sharedManager().windowScreenDidChange(displayID, *this);
</ins><span class="cx"> #else
</span><span class="cx"> UNUSED_PARAM(displayID);
</span><span class="cx"> #endif
</span><span class="lines">@@ -75,17 +74,14 @@
</span><span class="cx"> UNUSED_PARAM(timestamp);
</span><span class="cx"> m_scheduled = false;
</span><span class="cx">
</span><del>- if (m_client)
- m_client->flushLayersSoon(this);
</del><ins>+ m_client.flushLayersSoon(*this);
</ins><span class="cx"> }
</span><span class="cx"> #endif
</span><span class="cx">
</span><span class="cx"> #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
</span><del>-Optional<RefPtr<DisplayRefreshMonitor>> GraphicsLayerUpdater::createDisplayRefreshMonitor(PlatformDisplayID displayID) const
</del><ins>+RefPtr<DisplayRefreshMonitor> GraphicsLayerUpdater::createDisplayRefreshMonitor(PlatformDisplayID displayID) const
</ins><span class="cx"> {
</span><del>- if (!m_client)
- return Optional<RefPtr<DisplayRefreshMonitor>>(nullptr);
- return m_client->createDisplayRefreshMonitor(displayID);
</del><ins>+ return m_client.createDisplayRefreshMonitor(displayID);
</ins><span class="cx"> }
</span><span class="cx"> #endif
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsGraphicsLayerUpdaterh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/GraphicsLayerUpdater.h (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/GraphicsLayerUpdater.h        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebCore/platform/graphics/GraphicsLayerUpdater.h        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -36,9 +36,9 @@
</span><span class="cx"> class GraphicsLayerUpdaterClient {
</span><span class="cx"> public:
</span><span class="cx"> virtual ~GraphicsLayerUpdaterClient() { }
</span><del>- virtual void flushLayersSoon(GraphicsLayerUpdater*) = 0;
</del><ins>+ virtual void flushLayersSoon(GraphicsLayerUpdater&) = 0;
</ins><span class="cx"> #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
</span><del>- virtual Optional<RefPtr<DisplayRefreshMonitor>> createDisplayRefreshMonitor(PlatformDisplayID) const = 0;
</del><ins>+ virtual RefPtr<DisplayRefreshMonitor> createDisplayRefreshMonitor(PlatformDisplayID) const = 0;
</ins><span class="cx"> #endif
</span><span class="cx"> };
</span><span class="cx">
</span><span class="lines">@@ -48,14 +48,14 @@
</span><span class="cx"> #endif
</span><span class="cx"> {
</span><span class="cx"> public:
</span><del>- GraphicsLayerUpdater(GraphicsLayerUpdaterClient*, PlatformDisplayID);
</del><ins>+ GraphicsLayerUpdater(GraphicsLayerUpdaterClient&, PlatformDisplayID);
</ins><span class="cx"> virtual ~GraphicsLayerUpdater();
</span><span class="cx">
</span><span class="cx"> void scheduleUpdate();
</span><span class="cx"> void screenDidChange(PlatformDisplayID);
</span><span class="cx">
</span><span class="cx"> #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
</span><del>- virtual Optional<RefPtr<DisplayRefreshMonitor>> createDisplayRefreshMonitor(PlatformDisplayID) const override;
</del><ins>+ virtual RefPtr<DisplayRefreshMonitor> createDisplayRefreshMonitor(PlatformDisplayID) const override;
</ins><span class="cx"> #endif
</span><span class="cx">
</span><span class="cx"> private:
</span><span class="lines">@@ -63,8 +63,8 @@
</span><span class="cx"> virtual void displayRefreshFired(double timestamp) override;
</span><span class="cx"> #endif
</span><span class="cx">
</span><del>- GraphicsLayerUpdaterClient* m_client;
- bool m_scheduled;
</del><ins>+ GraphicsLayerUpdaterClient& m_client;
+ bool m_scheduled { false };
</ins><span class="cx"> };
</span><span class="cx">
</span><span class="cx"> } // namespace WebCore
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderLayerCompositorcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderLayerCompositor.cpp (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderLayerCompositor.cpp        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebCore/rendering/RenderLayerCompositor.cpp        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -280,7 +280,6 @@
</span><span class="cx"> , m_updateCompositingLayersTimer(*this, &RenderLayerCompositor::updateCompositingLayersTimerFired)
</span><span class="cx"> , m_hasAcceleratedCompositing(true)
</span><span class="cx"> , m_compositingTriggers(static_cast<ChromeClient::CompositingTriggerFlags>(ChromeClient::AllTriggers))
</span><del>- , m_compositedLayerCount(0)
</del><span class="cx"> , m_showDebugBorders(false)
</span><span class="cx"> , m_showRepaintCounter(false)
</span><span class="cx"> , m_acceleratedDrawingEnabled(false)
</span><span class="lines">@@ -293,20 +292,12 @@
</span><span class="cx"> , m_inPostLayoutUpdate(false)
</span><span class="cx"> , m_subframeScrollLayersNeedReattach(false)
</span><span class="cx"> , m_isTrackingRepaints(false)
</span><del>- , m_layersWithTiledBackingCount(0)
</del><span class="cx"> , m_rootLayerAttachment(RootLayerUnattached)
</span><span class="cx"> , m_layerFlushTimer(*this, &RenderLayerCompositor::layerFlushTimerFired)
</span><span class="cx"> , m_layerFlushThrottlingEnabled(false)
</span><span class="cx"> , m_layerFlushThrottlingTemporarilyDisabledForInteraction(false)
</span><span class="cx"> , m_hasPendingLayerFlush(false)
</span><span class="cx"> , m_paintRelatedMilestonesTimer(*this, &RenderLayerCompositor::paintRelatedMilestonesTimerFired)
</span><del>-#if !LOG_DISABLED
- , m_rootLayerUpdateCount(0)
- , m_obligateCompositedLayerCount(0)
- , m_secondaryCompositedLayerCount(0)
- , m_obligatoryBackingStoreBytes(0)
- , m_secondaryBackingStoreBytes(0)
-#endif
</del><span class="cx"> {
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -491,6 +482,7 @@
</span><span class="cx"> client->didFlushCompositingLayers();
</span><span class="cx"> #endif
</span><span class="cx">
</span><ins>+ ++m_layerFlushCount;
</ins><span class="cx"> startLayerFlushTimerIfNeeded();
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -608,13 +600,13 @@
</span><span class="cx"> if (Page* page = this->page())
</span><span class="cx"> displayID = page->chrome().displayID();
</span><span class="cx">
</span><del>- m_layerUpdater = std::make_unique<GraphicsLayerUpdater>(this, displayID);
</del><ins>+ m_layerUpdater = std::make_unique<GraphicsLayerUpdater>(*this, displayID);
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> m_layerUpdater->scheduleUpdate();
</span><span class="cx"> }
</span><span class="cx">
</span><del>-void RenderLayerCompositor::flushLayersSoon(GraphicsLayerUpdater*)
</del><ins>+void RenderLayerCompositor::flushLayersSoon(GraphicsLayerUpdater&)
</ins><span class="cx"> {
</span><span class="cx"> scheduleLayerFlush(true);
</span><span class="cx"> }
</span><span class="lines">@@ -4171,15 +4163,28 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
</span><del>-Optional<RefPtr<DisplayRefreshMonitor>> RenderLayerCompositor::createDisplayRefreshMonitor(PlatformDisplayID displayID) const
</del><ins>+RefPtr<DisplayRefreshMonitor> RenderLayerCompositor::createDisplayRefreshMonitor(PlatformDisplayID displayID) const
</ins><span class="cx"> {
</span><span class="cx"> Frame& frame = m_renderView.frameView().frame();
</span><span class="cx"> Page* page = frame.page();
</span><span class="cx"> if (!page)
</span><del>- return Optional<RefPtr<DisplayRefreshMonitor>>(nullptr);
</del><ins>+ return nullptr;
</ins><span class="cx">
</span><del>- return Optional<RefPtr<DisplayRefreshMonitor>>(page->chrome().client().createDisplayRefreshMonitor(displayID));
</del><ins>+ if (auto monitor = page->chrome().client().createDisplayRefreshMonitor(displayID))
+ return monitor;
+
+ return DisplayRefreshMonitor::createDefaultDisplayRefreshMonitor(displayID);
</ins><span class="cx"> }
</span><span class="cx"> #endif
</span><span class="cx">
</span><ins>+void RenderLayerCompositor::startTrackingLayerFlushes()
+{
+ m_layerFlushCount = 0;
+}
+
+unsigned RenderLayerCompositor::layerFlushCount() const
+{
+ return m_layerFlushCount;
+}
+
</ins><span class="cx"> } // namespace WebCore
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderLayerCompositorh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderLayerCompositor.h (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderLayerCompositor.h        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebCore/rendering/RenderLayerCompositor.h        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -307,6 +307,10 @@
</span><span class="cx"> void setRootExtendedBackgroundColor(const Color&);
</span><span class="cx"> Color rootExtendedBackgroundColor() const { return m_rootExtendedBackgroundColor; }
</span><span class="cx">
</span><ins>+ // For testing.
+ WEBCORE_EXPORT void startTrackingLayerFlushes();
+ WEBCORE_EXPORT unsigned layerFlushCount() const;
+
</ins><span class="cx"> private:
</span><span class="cx"> class OverlapMap;
</span><span class="cx"> struct CompositingState;
</span><span class="lines">@@ -319,7 +323,7 @@
</span><span class="cx"> virtual bool isTrackingRepaints() const override;
</span><span class="cx">
</span><span class="cx"> // GraphicsLayerUpdaterClient implementation
</span><del>- virtual void flushLayersSoon(GraphicsLayerUpdater*) override;
</del><ins>+ virtual void flushLayersSoon(GraphicsLayerUpdater&) override;
</ins><span class="cx">
</span><span class="cx"> // Whether the given RL needs a compositing layer.
</span><span class="cx"> bool needsToBeComposited(const RenderLayer&, RenderLayer::ViewportConstrainedNotCompositedReason* = nullptr) const;
</span><span class="lines">@@ -399,7 +403,7 @@
</span><span class="cx"> ScrollingCoordinator* scrollingCoordinator() const;
</span><span class="cx">
</span><span class="cx"> #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
</span><del>- Optional<RefPtr<DisplayRefreshMonitor>> createDisplayRefreshMonitor(PlatformDisplayID) const override;
</del><ins>+ RefPtr<DisplayRefreshMonitor> createDisplayRefreshMonitor(PlatformDisplayID) const override;
</ins><span class="cx"> #endif
</span><span class="cx">
</span><span class="cx"> bool requiresCompositingForAnimation(RenderLayerModelObject&) const;
</span><span class="lines">@@ -473,7 +477,6 @@
</span><span class="cx"> bool m_hasAcceleratedCompositing;
</span><span class="cx"> ChromeClient::CompositingTriggerFlags m_compositingTriggers;
</span><span class="cx">
</span><del>- int m_compositedLayerCount;
</del><span class="cx"> bool m_showDebugBorders;
</span><span class="cx"> bool m_showRepaintCounter;
</span><span class="cx"> bool m_acceleratedDrawingEnabled;
</span><span class="lines">@@ -492,7 +495,9 @@
</span><span class="cx">
</span><span class="cx"> bool m_isTrackingRepaints; // Used for testing.
</span><span class="cx">
</span><del>- unsigned m_layersWithTiledBackingCount;
</del><ins>+ int m_compositedLayerCount { 0 };
+ unsigned m_layersWithTiledBackingCount { 0 };
+ unsigned m_layerFlushCount { 0 };
</ins><span class="cx">
</span><span class="cx"> RootLayerAttachment m_rootLayerAttachment;
</span><span class="cx">
</span><span class="lines">@@ -533,11 +538,11 @@
</span><span class="cx"> Timer m_paintRelatedMilestonesTimer;
</span><span class="cx">
</span><span class="cx"> #if !LOG_DISABLED
</span><del>- int m_rootLayerUpdateCount;
- int m_obligateCompositedLayerCount; // count of layer that have to be composited.
- int m_secondaryCompositedLayerCount; // count of layers that have to be composited because of stacking or overlap.
- double m_obligatoryBackingStoreBytes;
- double m_secondaryBackingStoreBytes;
</del><ins>+ int m_rootLayerUpdateCount { 0 };
+ int m_obligateCompositedLayerCount { 0 }; // count of layer that have to be composited.
+ int m_secondaryCompositedLayerCount { 0 }; // count of layers that have to be composited because of stacking or overlap.
+ double m_obligatoryBackingStoreBytes { 0 };
+ double m_secondaryBackingStoreBytes { 0 };
</ins><span class="cx"> #endif
</span><span class="cx">
</span><span class="cx"> Color m_rootExtendedBackgroundColor;
</span></span></pre></div>
<a id="trunkSourceWebCoretestingInternalscpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/testing/Internals.cpp (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/testing/Internals.cpp        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebCore/testing/Internals.cpp        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -90,6 +90,7 @@
</span><span class="cx"> #include "PseudoElement.h"
</span><span class="cx"> #include "Range.h"
</span><span class="cx"> #include "RenderEmbeddedObject.h"
</span><ins>+#include "RenderLayerCompositor.h"
</ins><span class="cx"> #include "RenderMenuList.h"
</span><span class="cx"> #include "RenderTreeAsText.h"
</span><span class="cx"> #include "RenderView.h"
</span><span class="lines">@@ -2066,6 +2067,28 @@
</span><span class="cx"> frameView->setTracksRepaints(false);
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+void Internals::startTrackingLayerFlushes(ExceptionCode& ec)
+{
+ Document* document = contextDocument();
+ if (!document || !document->renderView()) {
+ ec = INVALID_ACCESS_ERR;
+ return;
+ }
+
+ document->renderView()->compositor().startTrackingLayerFlushes();
+}
+
+unsigned long Internals::layerFlushCount(ExceptionCode& ec)
+{
+ Document* document = contextDocument();
+ if (!document || !document->renderView()) {
+ ec = INVALID_ACCESS_ERR;
+ return 0;
+ }
+
+ return document->renderView()->compositor().layerFlushCount();
+}
+
</ins><span class="cx"> void Internals::updateLayoutIgnorePendingStylesheetsAndRunPostLayoutTasks(ExceptionCode& ec)
</span><span class="cx"> {
</span><span class="cx"> updateLayoutIgnorePendingStylesheetsAndRunPostLayoutTasks(nullptr, ec);
</span></span></pre></div>
<a id="trunkSourceWebCoretestingInternalsh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/testing/Internals.h (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/testing/Internals.h        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebCore/testing/Internals.h        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -294,6 +294,10 @@
</span><span class="cx">
</span><span class="cx"> void startTrackingRepaints(ExceptionCode&);
</span><span class="cx"> void stopTrackingRepaints(ExceptionCode&);
</span><ins>+
+ void startTrackingLayerFlushes(ExceptionCode&);
+ unsigned long layerFlushCount(ExceptionCode&);
+
</ins><span class="cx"> void updateLayoutIgnorePendingStylesheetsAndRunPostLayoutTasks(ExceptionCode&);
</span><span class="cx"> void updateLayoutIgnorePendingStylesheetsAndRunPostLayoutTasks(Node*, ExceptionCode&);
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebCoretestingInternalsidl"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/testing/Internals.idl (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/testing/Internals.idl        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebCore/testing/Internals.idl        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -271,6 +271,9 @@
</span><span class="cx"> [RaisesException] void startTrackingRepaints();
</span><span class="cx"> [RaisesException] void stopTrackingRepaints();
</span><span class="cx">
</span><ins>+ [RaisesException] void startTrackingLayerFlushes();
+ [RaisesException] unsigned long layerFlushCount();
+
</ins><span class="cx"> // Query if a timer is currently throttled, to debug timer throttling.
</span><span class="cx"> [RaisesException] boolean isTimerThrottled(long timerHandle);
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebKit2/ChangeLog        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -1,3 +1,25 @@
</span><ins>+2015-04-18 Simon Fraser <simon.fraser@apple.com>
+
+ REGRESSION (r181656): Animated tiled layers are missing content
+ https://bugs.webkit.org/show_bug.cgi?id=143911
+ rdar://problem/20596328
+
+ Reviewed by Darin Adler.
+
+ After r181656, all requestAnimationFrame was falling back to timers, and not
+ using the platform's DisplayRefreshMonitor, because of a Nullopt vs nullptr
+ fumble.
+
+ Replace this confusing Optional<> code with simpler code that just forces the
+ clients to make a DisplayRefreshMonitor if they can, first asking
+ ChromeClient, and then falling back to createDefaultDisplayRefreshMonitor().
+
+ Make lots of things into references, and use C++11 initialization in some places.
+
+ * WebProcess/WebCoreSupport/WebChromeClient.cpp:
+ (WebKit::WebChromeClient::createDisplayRefreshMonitor):
+ * WebProcess/WebCoreSupport/WebChromeClient.h:
+
</ins><span class="cx"> 2015-04-18 Dan Bernstein <mitz@apple.com>
</span><span class="cx">
</span><span class="cx"> SwipeShadow images are installed on iOS
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebCoreSupportWebChromeClientcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.cpp (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.cpp        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.cpp        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -850,9 +850,9 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
</span><del>-Optional<RefPtr<WebCore::DisplayRefreshMonitor>> WebChromeClient::createDisplayRefreshMonitor(PlatformDisplayID displayID) const
</del><ins>+RefPtr<WebCore::DisplayRefreshMonitor> WebChromeClient::createDisplayRefreshMonitor(PlatformDisplayID displayID) const
</ins><span class="cx"> {
</span><del>- return Optional<RefPtr<WebCore::DisplayRefreshMonitor>>(m_page->drawingArea()->createDisplayRefreshMonitor(displayID));
</del><ins>+ return m_page->drawingArea()->createDisplayRefreshMonitor(displayID);
</ins><span class="cx"> }
</span><span class="cx"> #endif
</span><span class="cx">
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebCoreSupportWebChromeClienth"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.h (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.h        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebKit2/WebProcess/WebCoreSupport/WebChromeClient.h        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -217,7 +217,7 @@
</span><span class="cx"> virtual bool adjustLayerFlushThrottling(WebCore::LayerFlushThrottleState::Flags) override;
</span><span class="cx">
</span><span class="cx"> #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
</span><del>- virtual Optional<RefPtr<WebCore::DisplayRefreshMonitor>> createDisplayRefreshMonitor(PlatformDisplayID) const override;
</del><ins>+ virtual RefPtr<WebCore::DisplayRefreshMonitor> createDisplayRefreshMonitor(PlatformDisplayID) const override;
</ins><span class="cx"> #endif
</span><span class="cx">
</span><span class="cx"> virtual CompositingTriggerFlags allowedCompositingTriggers() const override
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPageDrawingAreacpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/DrawingArea.cpp (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/DrawingArea.cpp        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebKit2/WebProcess/WebPage/DrawingArea.cpp        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -96,7 +96,7 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
</span><del>-PassRefPtr<WebCore::DisplayRefreshMonitor> DrawingArea::createDisplayRefreshMonitor(PlatformDisplayID)
</del><ins>+RefPtr<WebCore::DisplayRefreshMonitor> DrawingArea::createDisplayRefreshMonitor(PlatformDisplayID)
</ins><span class="cx"> {
</span><span class="cx"> return nullptr;
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPageDrawingAreah"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/DrawingArea.h (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/DrawingArea.h        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebKit2/WebProcess/WebPage/DrawingArea.h        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -106,7 +106,7 @@
</span><span class="cx"> virtual void scheduleCompositingLayerFlushImmediately() = 0;
</span><span class="cx">
</span><span class="cx"> #if USE(REQUEST_ANIMATION_FRAME_DISPLAY_MONITOR)
</span><del>- virtual PassRefPtr<WebCore::DisplayRefreshMonitor> createDisplayRefreshMonitor(PlatformDisplayID);
</del><ins>+ virtual RefPtr<WebCore::DisplayRefreshMonitor> createDisplayRefreshMonitor(PlatformDisplayID);
</ins><span class="cx"> #endif
</span><span class="cx">
</span><span class="cx"> #if USE(COORDINATED_GRAPHICS_MULTIPROCESS)
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPagemacRemoteLayerTreeDrawingAreah"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/mac/RemoteLayerTreeDrawingArea.h (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/mac/RemoteLayerTreeDrawingArea.h        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebKit2/WebProcess/WebPage/mac/RemoteLayerTreeDrawingArea.h        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -71,7 +71,7 @@
</span><span class="cx">
</span><span class="cx"> virtual void addTransactionCallbackID(uint64_t callbackID) override;
</span><span class="cx">
</span><del>- virtual PassRefPtr<WebCore::DisplayRefreshMonitor> createDisplayRefreshMonitor(PlatformDisplayID) override;
</del><ins>+ virtual RefPtr<WebCore::DisplayRefreshMonitor> createDisplayRefreshMonitor(PlatformDisplayID) override;
</ins><span class="cx"> void willDestroyDisplayRefreshMonitor(WebCore::DisplayRefreshMonitor*);
</span><span class="cx">
</span><span class="cx"> virtual bool shouldUseTiledBackingForFrameView(const WebCore::FrameView*) override;
</span></span></pre></div>
<a id="trunkSourceWebKit2WebProcessWebPagemacRemoteLayerTreeDrawingAreamm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/WebProcess/WebPage/mac/RemoteLayerTreeDrawingArea.mm (182984 => 182985)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/WebProcess/WebPage/mac/RemoteLayerTreeDrawingArea.mm        2015-04-18 14:57:19 UTC (rev 182984)
+++ trunk/Source/WebKit2/WebProcess/WebPage/mac/RemoteLayerTreeDrawingArea.mm        2015-04-18 19:39:13 UTC (rev 182985)
</span><span class="lines">@@ -108,7 +108,7 @@
</span><span class="cx"> return m_remoteLayerTreeContext.get();
</span><span class="cx"> }
</span><span class="cx">
</span><del>-PassRefPtr<DisplayRefreshMonitor> RemoteLayerTreeDrawingArea::createDisplayRefreshMonitor(PlatformDisplayID displayID)
</del><ins>+RefPtr<DisplayRefreshMonitor> RemoteLayerTreeDrawingArea::createDisplayRefreshMonitor(PlatformDisplayID displayID)
</ins><span class="cx"> {
</span><span class="cx"> RefPtr<RemoteLayerTreeDisplayRefreshMonitor> monitor = RemoteLayerTreeDisplayRefreshMonitor::create(displayID, *this);
</span><span class="cx"> m_displayRefreshMonitors.add(monitor.get());
</span></span></pre>
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