Revert of DevTools: notify backend agents about profiler started/stopped events

Source/core/inspector/InspectorProfilerAgent.h

Index: Source/core/inspector/InspectorProfilerAgent.h
diff --git a/Source/core/inspector/InspectorProfilerAgent.h b/Source/core/inspector/InspectorProfilerAgent.h
index dd230fb2efed90ae12962db0fb9d9f51b9851141..ad7a9f4c482f2f8fd11950a0ca569d61d46878de 100644
--- a/Source/core/inspector/InspectorProfilerAgent.h
+++ b/Source/core/inspector/InspectorProfilerAgent.h
@@ -54,7 +54,7 @@
 class InspectorProfilerAgent FINAL : public InspectorBaseAgent<InspectorProfilerAgent>, public InspectorBackendDispatcher::ProfilerCommandHandler {
     WTF_MAKE_NONCOPYABLE(InspectorProfilerAgent); WTF_MAKE_FAST_ALLOCATED;
 public:
-    static PassOwnPtr<InspectorProfilerAgent> create(InjectedScriptManager*, InspectorOverlay*, InspectorAgentRegistry*);
+    static PassOwnPtr<InspectorProfilerAgent> create(InjectedScriptManager*, InspectorOverlay*);
     virtual ~InspectorProfilerAgent();
 
     void consoleProfile(const String& title, ScriptState*);
@@ -76,7 +76,7 @@
     void didLeaveNestedRunLoop();
 
 private:
-    InspectorProfilerAgent(InjectedScriptManager*, InspectorOverlay*, InspectorAgentRegistry*);
+    InspectorProfilerAgent(InjectedScriptManager*, InspectorOverlay*);
     bool enabled();
     void doEnable();
     void stop(ErrorString*, RefPtr<TypeBuilder::Profiler::CPUProfile>*);
@@ -93,7 +93,6 @@
     ProfileNameIdleTimeMap* m_profileNameIdleTimeMap;
     double m_idleStartTime;
     InspectorOverlay* m_overlay;
-    InspectorAgentRegistry* m_registry;
 
     void idleStarted();
     void idleFinished();