Move CanvasRenderingContext2D timer to frame-specific TaskRunnerTimer.

third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2D.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc.
  * All rights reserved.
  * Copyright (C) 2008, 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008 Dirk Schulze <krit@webkit.org>
  * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
  * Copyright (C) 2012, 2013 Intel Corporation. All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved.
@@ skipping 23 matching lines @@
 #include "modules/canvas2d/CanvasRenderingContext2D.h"
 
 #include "bindings/core/v8/ExceptionMessages.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/modules/v8/RenderingContext.h"
 #include "core/CSSPropertyNames.h"
 #include "core/css/StylePropertySet.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/dom/AXObjectCache.h"
 #include "core/dom/StyleEngine.h"
+#include "core/dom/TaskRunnerHelper.h"
 #include "core/events/Event.h"
 #include "core/events/MouseEvent.h"
 #include "core/frame/Settings.h"
 #include "core/html/TextMetrics.h"
 #include "core/html/canvas/CanvasFontCache.h"
 #include "core/layout/HitTestCanvasResult.h"
 #include "core/layout/LayoutBox.h"
 #include "core/layout/LayoutTheme.h"
 #include "modules/canvas2d/CanvasStyle.h"
 #include "modules/canvas2d/HitRegion.h"
@@ skipping 57 matching lines @@
 
 CanvasRenderingContext2D::CanvasRenderingContext2D(
     HTMLCanvasElement* canvas,
     const CanvasContextCreationAttributes& attrs,
     Document& document)
     : CanvasRenderingContext(canvas, nullptr, attrs),
       m_contextLostMode(NotLostContext),
       m_contextRestorable(true),
       m_tryRestoreContextAttemptCount(0),
       m_dispatchContextLostEventTimer(
+          TaskRunnerHelper::get(TaskType::MiscPlatformAPI,
+                                canvas->document().frame()),
           this,
           &CanvasRenderingContext2D::dispatchContextLostEvent),
       m_dispatchContextRestoredEventTimer(
+          TaskRunnerHelper::get(TaskType::MiscPlatformAPI,
+                                canvas->document().frame()),
           this,
           &CanvasRenderingContext2D::dispatchContextRestoredEvent),
       m_tryRestoreContextEventTimer(
+          TaskRunnerHelper::get(TaskType::MiscPlatformAPI,
+                                canvas->document().frame()),
           this,
           &CanvasRenderingContext2D::tryRestoreContextEvent),
       m_pruneLocalFontCacheScheduled(false) {
   if (document.settings() &&
       document.settings()->getAntialiasedClips2dCanvasEnabled())
     m_clipAntialiasing = AntiAliased;
   setShouldAntialias(true);
   validateStateStack();
 }
 
@@ skipping 1028 matching lines @@
   }
   return true;
 }
 
 void CanvasRenderingContext2D::resetUsageTracking() {
   UsageCounters newCounters;
   m_usageCounters = newCounters;
 }
 
 }  // namespace blink