Record DevTools metadata events on worker threads when starting recoring tracing based Timeline

Source/core/inspector/InspectorController.cpp

 /*
  * Copyright (C) 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 85 matching lines @@
 
     OwnPtrWillBeRawPtr<InspectorDOMAgent> domAgentPtr(InspectorDOMAgent::create(m_pageAgent, injectedScriptManager, overlay));
     m_domAgent = domAgentPtr.get();
     m_agents.append(domAgentPtr.release());
 
 
     OwnPtrWillBeRawPtr<InspectorLayerTreeAgent> layerTreeAgentPtr(InspectorLayerTreeAgent::create(m_page));
     m_layerTreeAgent = layerTreeAgentPtr.get();
     m_agents.append(layerTreeAgentPtr.release());
 
-    OwnPtrWillBeRawPtr<InspectorTracingAgent> tracingAgentPtr = InspectorTracingAgent::create(inspectorClient);
+    OwnPtrWillBeRawPtr<InspectorWorkerAgent> workerAgentPtr = InspectorWorkerAgent::create();
+
+    OwnPtrWillBeRawPtr<InspectorTracingAgent> tracingAgentPtr = InspectorTracingAgent::create(inspectorClient, workerAgentPtr.get());
     m_tracingAgent = tracingAgentPtr.get();
     m_agents.append(tracingAgentPtr.release());
 
+    m_agents.append(workerAgentPtr.release());
+
     OwnPtrWillBeRawPtr<InspectorTimelineAgent> timelineAgentPtr(InspectorTimelineAgent::create(m_pageAgent, m_layerTreeAgent,
         overlay, InspectorTimelineAgent::PageInspector, inspectorClient));
     m_timelineAgent = timelineAgentPtr.get();
     m_agents.append(timelineAgentPtr.release());
 
     PageScriptDebugServer* pageScriptDebugServer = &PageScriptDebugServer::shared();
 
     m_agents.append(PageRuntimeAgent::create(injectedScriptManager, pageScriptDebugServer, m_page, m_pageAgent));
 
     m_agents.append(PageConsoleAgent::create(injectedScriptManager, m_domAgent, m_timelineAgent, m_tracingAgent));
 
-    m_agents.append(InspectorWorkerAgent::create());
-
     ASSERT_ARG(inspectorClient, inspectorClient);
     m_injectedScriptManager->injectedScriptHost()->init(m_instrumentingAgents.get(), pageScriptDebugServer);
 }
 
 InspectorController::~InspectorController()
 {
 }
 
 void InspectorController::trace(Visitor* visitor)
 {
@@ skipping 367 matching lines @@
         m_layerTreeAgent->willAddPageOverlay(layer);
 }
 
 void InspectorController::didRemovePageOverlay(const GraphicsLayer* layer)
 {
     if (m_layerTreeAgent)
         m_layerTreeAgent->didRemovePageOverlay(layer);
 }
 
 } // namespace blink