[DevTools] Rework idle{Started,Finished} instrumentation.

third_party/WebKit/Source/web/WebDevToolsAgentImpl.cpp

 /*
  * Copyright (C) 2010-2011 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 636 matching lines @@
 void WebDevToolsAgentImpl::flushPendingProtocolNotifications()
 {
     if (m_session)
         m_session->flushPendingProtocolNotifications();
 }
 
 void WebDevToolsAgentImpl::willProcessTask()
 {
     if (!attached())
         return;
-    InspectorInstrumentation::willProcessTask(m_inspectedFrames->root());
+    ThreadDebugger::idleFinished(V8PerIsolateData::mainThreadIsolate());
 }
 
 void WebDevToolsAgentImpl::didProcessTask()
 {
     if (!attached())
         return;
-    InspectorInstrumentation::didProcessTask(m_inspectedFrames->root());
+    ThreadDebugger::idleStarted(V8PerIsolateData::mainThreadIsolate());
     flushPendingProtocolNotifications();
 }
 
 void WebDevToolsAgentImpl::runDebuggerTask(int sessionId, PassOwnPtr<WebDevToolsAgent::MessageDescriptor> descriptor)
 {
     WebDevToolsAgent* webagent = descriptor->agent();
     if (!webagent)
         return;
 
     WebDevToolsAgentImpl* agentImpl = static_cast<WebDevToolsAgentImpl*>(webagent);
@@ skipping 13 matching lines @@
     if (!protocol::Dispatcher::getCommandName(message, &commandName))
         return false;
     return commandName == "Debugger.pause"
         || commandName == "Debugger.setBreakpoint"
         || commandName == "Debugger.setBreakpointByUrl"
         || commandName == "Debugger.removeBreakpoint"
         || commandName == "Debugger.setBreakpointsActive";
 }
 
 } // namespace blink