Timeline: add support for deferred canvas rasterization

Source/core/inspector/InspectorTimelineAgent.h

 /*
 * Copyright (C) 2012 Google 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
@@ skipping 137 matching lines @@
 
     void willPaint(RenderObject*);
     void didPaint(RenderObject*, GraphicsContext*, const LayoutRect&);
 
     void willScrollLayer(Frame*);
     void didScrollLayer();
 
     void willComposite();
     void didComposite();
 
+    void willUpdateLayer(int layerId);
+    void didUpdateLayer();
+
     bool willWriteHTML(Document*, unsigned startLine);
     void didWriteHTML(unsigned endLine);
 
     void didInstallTimer(ScriptExecutionContext* context, int timerId, int timeout, bool singleShot);
     void didRemoveTimer(ScriptExecutionContext* context, int timerId);
     bool willFireTimer(ScriptExecutionContext* context, int timerId);
     void didFireTimer();
 
     bool willDispatchXHRReadyStateChangeEvent(ScriptExecutionContext* context, XMLHttpRequest* request);
     void didDispatchXHRReadyStateChangeEvent();
@@ skipping 33 matching lines @@
     void didCloseWebSocket(Document*, unsigned long identifier);
 
     // ScriptGCEventListener methods.
     virtual void didGC(double, double, size_t);
 
     // PlatformInstrumentationClient methods.
     virtual void willDecodeImage(const String& imageType) OVERRIDE;
     virtual void didDecodeImage() OVERRIDE;
     virtual void willResizeImage(bool shouldCache) OVERRIDE;
     virtual void didResizeImage() OVERRIDE;
+    virtual void willRasterizeCanvas() OVERRIDE;
+    virtual void didRasterizeCanvas() OVERRIDE;
 
 private:
     friend class TimelineRecordStack;
     friend class TimelineTraceEventProcessor;
 
     struct TimelineRecordEntry {
         TimelineRecordEntry(PassRefPtr<InspectorObject> record, PassRefPtr<InspectorObject> data, PassRefPtr<InspectorArray> children, const String& type, size_t usedHeapSizeAtStart)
             : record(record), data(data), children(children), type(type), usedHeapSizeAtStart(usedHeapSizeAtStart)
         {
         }
         RefPtr<InspectorObject> record;
         RefPtr<InspectorObject> data;
         RefPtr<InspectorArray> children;
         String type;
         size_t usedHeapSizeAtStart;
     };
         
     InspectorTimelineAgent(InstrumentingAgents*, InspectorPageAgent*, InspectorMemoryAgent*, InspectorDOMAgent*, InspectorCompositeState*, InspectorType, InspectorClient*);
 
     void didFinishLoadingResource(unsigned long, bool didFail, double finishTime, Frame*);
 
     void sendEvent(PassRefPtr<InspectorObject>);
     void appendRecord(PassRefPtr<InspectorObject> data, const String& type, bool captureCallStack, Frame*);
     void pushCurrentRecord(PassRefPtr<InspectorObject>, const String& type, bool captureCallStack, Frame*, bool hasLowLevelDetails = false);
+    void enablePlatformInstrumentation();
+    void disablePlatformInstrumentation();
 
     void setDOMCounters(TypeBuilder::Timeline::TimelineEvent* record);
     void setNativeHeapStatistics(TypeBuilder::Timeline::TimelineEvent* record);
     void setFrameIdentifier(InspectorObject* record, Frame*);
     void pushGCEventRecords();
 
     void didCompleteCurrentRecord(const String& type);
 
     void setHeapSizeStatistics(InspectorObject* record);
     void commitFrameRecord();
@@ skipping 38 matching lines @@
     InspectorType m_inspectorType;
     InspectorClient* m_client;
     WeakPtrFactory<InspectorTimelineAgent> m_weakFactory;
     RefPtr<TimelineTraceEventProcessor> m_traceEventProcessor;
     unsigned m_styleRecalcElementCounter;
 };
 
 } // namespace WebCore
 
 #endif // !defined(InspectorTimelineAgent_h)