DevTools: notify backend agents about profiler started/stopped events

Source/core/inspector/InspectorTimelineAgent.cpp

 /*
 * Copyright (C) 2013 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 328 matching lines @@
 
 bool InspectorTimelineAgent::isStarted()
 {
     return m_state->getBoolean(TimelineAgentState::started);
 }
 
 void InspectorTimelineAgent::innerStart()
 {
     if (m_overlay)
         m_overlay->startedRecordingProfile();
+    m_registry->profilerStarted();
     m_state->setBoolean(TimelineAgentState::started, true);
     m_instrumentingAgents->setInspectorTimelineAgent(this);
     ScriptGCEvent::addEventListener(this);
     if (m_client) {
         TraceEventDispatcher* dispatcher = TraceEventDispatcher::instance();
         dispatcher->addListener(InstrumentationEvents::BeginFrame, TRACE_EVENT_PHASE_INSTANT, this, &InspectorTimelineAgent::onBeginImplSideFrame, m_client);
         dispatcher->addListener(InstrumentationEvents::PaintSetup, TRACE_EVENT_PHASE_BEGIN, this, &InspectorTimelineAgent::onPaintSetupBegin, m_client);
         dispatcher->addListener(InstrumentationEvents::PaintSetup, TRACE_EVENT_PHASE_END, this, &InspectorTimelineAgent::onPaintSetupEnd, m_client);
         dispatcher->addListener(InstrumentationEvents::RasterTask, TRACE_EVENT_PHASE_BEGIN, this, &InspectorTimelineAgent::onRasterTaskBegin, m_client);
         dispatcher->addListener(InstrumentationEvents::RasterTask, TRACE_EVENT_PHASE_END, this, &InspectorTimelineAgent::onRasterTaskEnd, m_client);
@@ skipping 36 matching lines @@
 void InspectorTimelineAgent::innerStop(bool fromConsole)
 {
     m_state->setBoolean(TimelineAgentState::started, false);
 
     if (m_client) {
         TraceEventDispatcher::instance()->removeAllListeners(this, m_client);
         if (m_state->getBoolean(TimelineAgentState::includeGPUEvents))
             m_client->stopGPUEventsRecording();
     }
     m_instrumentingAgents->setInspectorTimelineAgent(0);
+    m_registry->profilerStopped();
     ScriptGCEvent::removeEventListener(this);
 
     clearRecordStack();
     m_threadStates.clear();
     m_gpuTask.clear();
     m_layerToNodeMap.clear();
     m_pixelRefToImageInfo.clear();
     m_imageBeingPainted = 0;
     m_paintSetupStart = 0;
     m_mayEmitFirstPaint = false;
@@ skipping 725 matching lines @@
 
 void InspectorTimelineAgent::unwindRecordStack()
 {
     while (!m_recordStack.isEmpty()) {
         TimelineRecordEntry& entry = m_recordStack.last();
         didCompleteCurrentRecord(entry.type);
     }
 }
 
 InspectorTimelineAgent::InspectorTimelineAgent(InspectorPageAgent* pageAgent, InspectorLayerTreeAgent* layerTreeAgent,
-    InspectorOverlay* overlay, InspectorType type, InspectorClient* client)
+    InspectorOverlay* overlay, InspectorType type, InspectorClient* client, InspectorAgentRegistry* registry)
     : InspectorBaseAgent<InspectorTimelineAgent>("Timeline")
     , m_pageAgent(pageAgent)
     , m_layerTreeAgent(layerTreeAgent)
     , m_frontend(0)
     , m_client(client)
     , m_overlay(overlay)
     , m_inspectorType(type)
     , m_id(1)
     , m_layerTreeId(0)
     , m_maxCallStackDepth(5)
     , m_platformInstrumentationClientInstalledAtStackDepth(0)
     , m_imageBeingPainted(0)
     , m_paintSetupStart(0)
     , m_mayEmitFirstPaint(false)
     , m_lastProgressTimestamp(0)
+    , m_registry(registry)
 {
 }
 
 void InspectorTimelineAgent::appendRecord(PassRefPtr<JSONObject> data, const String& type, bool captureCallStack, LocalFrame* frame)
 {
     double ts = timestamp();
     RefPtr<TimelineEvent> record = TimelineRecordFactory::createGenericRecord(ts, captureCallStack ? m_maxCallStackDepth : 0, type, data);
     setFrameIdentifier(record.get(), frame);
     addRecordToTimeline(record.release(), ts);
 }
@@ skipping 129 matching lines @@
 
 #ifndef NDEBUG
 bool TimelineRecordStack::isOpenRecordOfType(const String& type)
 {
     return !m_stack.isEmpty() && m_stack.last().type == type;
 }
 #endif
 
 } // namespace WebCore