DevTools: Connect worker cpu profiles to worker tracing threads.

Source/core/inspector/InspectorWorkerAgent.cpp

Index: Source/core/inspector/InspectorWorkerAgent.cpp
diff --git a/Source/core/inspector/InspectorWorkerAgent.cpp b/Source/core/inspector/InspectorWorkerAgent.cpp
index 85cd12953b225274b9800d803561f09cb70e764b..b2f9209ff1fc4904e15366cc5f75ebd6fb8f699f 100644
--- a/Source/core/inspector/InspectorWorkerAgent.cpp
+++ b/Source/core/inspector/InspectorWorkerAgent.cpp
@@ -206,8 +206,8 @@ void InspectorWorkerAgent::setTracingSessionId(const String& sessionId)
     m_tracingSessionId = sessionId;
     if (sessionId.isEmpty())
         return;
-    for (WorkerIds::iterator it = m_workerIds.begin(); it != m_workerIds.end(); ++it)
-        it->key->writeTimelineStartedEvent(sessionId);
+    for (WorkerChannels::iterator it = m_idToChannel.begin(); it != m_idToChannel.end(); ++it)
+        it->value->proxy()->writeTimelineStartedEvent(it->key, sessionId);

[yurys, 2014/11/14 13:25:26]

This will not write events for workers without connected front-end.

[alph, 2014/11/14 15:01:59]

Done.

 }
 
 bool InspectorWorkerAgent::shouldPauseDedicatedWorkerOnStart()
@@ -220,8 +220,6 @@ void InspectorWorkerAgent::didStartWorker(WorkerInspectorProxy* workerInspectorP
     m_workerIds.set(workerInspectorProxy, url.string());
     if (m_frontend && m_state->getBoolean(WorkerAgentState::workerInspectionEnabled))
         createWorkerFrontendChannel(workerInspectorProxy, url.string());
-    if (!m_tracingSessionId.isEmpty())
-        workerInspectorProxy->writeTimelineStartedEvent(m_tracingSessionId);
 }
 
 void InspectorWorkerAgent::workerTerminated(WorkerInspectorProxy* proxy)
@@ -262,6 +260,8 @@ void InspectorWorkerAgent::createWorkerFrontendChannel(WorkerInspectorProxy* wor
     if (autoconnectToWorkers)
         channel->connectToWorker();
     m_frontend->workerCreated(channel->id(), url, autoconnectToWorkers);
+    if (!m_tracingSessionId.isEmpty())
+        workerInspectorProxy->writeTimelineStartedEvent(channel->id(), m_tracingSessionId);
 }
 
 } // namespace blink