DevTools: add Tracing agent on back-end

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 51 matching lines @@
 class FloatQuad;
 class LocalFrame;
 class FrameHost;
 class GraphicsContext;
 class GraphicsLayer;
 class InspectorClient;
 class InspectorDOMAgent;
 class InspectorFrontend;
 class InspectorOverlay;
 class InspectorPageAgent;
+class InspectorTracingAgent;
 class InspectorLayerTreeAgent;
 class InstrumentingAgents;
 class KURL;
 class NewScriptState;
 class Node;
 class RenderImage;
 class RenderObject;
 class ResourceError;
 class ResourceLoader;
 class ResourceRequest;
@@ skipping 26 matching lines @@
             foreign(foreign),
             usedGPUMemoryBytes(usedGPUMemoryBytes),
             limitGPUMemoryBytes(limitGPUMemoryBytes) { }
         double timestamp;
         Phase phase;
         bool foreign;
         uint64_t usedGPUMemoryBytes;
         uint64_t limitGPUMemoryBytes;
     };
 
-    static PassOwnPtr<InspectorTimelineAgent> create(InspectorPageAgent* pageAgent, InspectorDOMAgent* domAgent, InspectorLayerTreeAgent* layerTreeAgent,
+    static PassOwnPtr<InspectorTimelineAgent> create(InspectorPageAgent* pageAgent, InspectorDOMAgent* domAgent, InspectorLayerTreeAgent* layerTreeAgent, InspectorTracingAgent* tracingAgent,
         InspectorOverlay* overlay, InspectorType type, InspectorClient* client)
     {
-        return adoptPtr(new InspectorTimelineAgent(pageAgent, domAgent, layerTreeAgent, overlay, type, client));
+        return adoptPtr(new InspectorTimelineAgent(pageAgent, domAgent, layerTreeAgent, tracingAgent, overlay, type, client));
     }
 
     virtual ~InspectorTimelineAgent();
 
     virtual void setFrontend(InspectorFrontend*) OVERRIDE;
     virtual void clearFrontend() OVERRIDE;
     virtual void restore() OVERRIDE;
 
-    virtual void enable(ErrorString*, const String* traceEventCategoryFilter) OVERRIDE;
+    virtual void enable(ErrorString*) OVERRIDE;
     virtual void disable(ErrorString*) OVERRIDE;
     virtual void start(ErrorString*, const int* maxCallStackDepth, const bool* bufferEvents, const String* liveEvents, const bool* includeCounters, const bool* includeGPUEvents) OVERRIDE;
     virtual void stop(ErrorString*, RefPtr<TypeBuilder::Array<TypeBuilder::Timeline::TimelineEvent> >& events) OVERRIDE;
 
     void setLayerTreeId(int layerTreeId) { m_layerTreeId = layerTreeId; }
     int id() const { return m_id; }
 
     void didCommitLoad();
 
     // Methods called from WebCore.
@@ skipping 89 matching lines @@
     // PlatformInstrumentationClient methods.
     virtual void willDecodeImage(const String& imageType) OVERRIDE;
     virtual void didDecodeImage() OVERRIDE;
     virtual void willResizeImage(bool shouldCache) OVERRIDE;
     virtual void didResizeImage() OVERRIDE;
 
 private:
 
     friend class TimelineRecordStack;
 
-    InspectorTimelineAgent(InspectorPageAgent*, InspectorDOMAgent*, InspectorLayerTreeAgent*, InspectorOverlay*, InspectorType, InspectorClient*);
+    InspectorTimelineAgent(InspectorPageAgent*, InspectorDOMAgent*, InspectorLayerTreeAgent*, InspectorTracingAgent*, InspectorOverlay*, InspectorType, InspectorClient*);
 
     // Trace event handlers
     void onBeginImplSideFrame(const TraceEventDispatcher::TraceEvent&);
     void onPaintSetupBegin(const TraceEventDispatcher::TraceEvent&);
     void onPaintSetupEnd(const TraceEventDispatcher::TraceEvent&);
     void onRasterTaskBegin(const TraceEventDispatcher::TraceEvent&);
     void onRasterTaskEnd(const TraceEventDispatcher::TraceEvent&);
     void onImageDecodeBegin(const TraceEventDispatcher::TraceEvent&);
     void onImageDecodeEnd(const TraceEventDispatcher::TraceEvent&);
     void onLayerDeleted(const TraceEventDispatcher::TraceEvent&);
@@ skipping 38 matching lines @@
     LocalFrame* mainFrame() const;
 
     bool isStarted();
     void innerStart();
     void innerStop(bool fromConsole);
     void setLiveEvents(const String&);
 
     InspectorPageAgent* m_pageAgent;
     InspectorDOMAgent* m_domAgent;
     InspectorLayerTreeAgent* m_layerTreeAgent;
+    InspectorTracingAgent* m_tracingAgent;
     InspectorFrontend::Timeline* m_frontend;
     InspectorClient* m_client;
     InspectorOverlay* m_overlay;
     InspectorType m_inspectorType;
 
     int m_id;
     unsigned long long m_layerTreeId;
 
     int m_maxCallStackDepth;
 
@@ skipping 11 matching lines @@
     double m_paintSetupStart;
     double m_paintSetupEnd;
     RefPtr<JSONObject> m_gpuTask;
     RefPtr<JSONValue> m_pendingLayerTreeData;
     unsigned m_styleRecalcElementCounter;
     typedef HashMap<ThreadIdentifier, TimelineThreadState> ThreadStateMap;
     ThreadStateMap m_threadStates;
     bool m_mayEmitFirstPaint;
     HashSet<String> m_liveEvents;
     double m_lastProgressTimestamp;
-    bool m_disableTracingOnStop;
 };
 
 } // namespace WebCore
 
 #endif // !defined(InspectorTimelineAgent_h)