[DevTools] Remove extra plumbing from InspectorWorkerAgent, prepare to multi-client.

third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.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 186 matching lines @@
 {
     if (m_askedToTerminate)
         return;
     WebDevToolsAgent* devtoolsAgent = m_mainFrame->devToolsAgent();
     if (devtoolsAgent)
         devtoolsAgent->dispatchOnInspectorBackend(sessionId, message);
 }
 
 void WebEmbeddedWorkerImpl::postMessageToPageInspector(const String& message)
 {
-    WorkerInspectorProxy::PageInspector* pageInspector = m_workerInspectorProxy->pageInspector();
-    if (!pageInspector)
-        return;
-    pageInspector->dispatchMessageFromWorker(message);
+    m_workerInspectorProxy->dispatchMessageFromWorker(message);
 }
 
 void WebEmbeddedWorkerImpl::postTaskToLoader(PassOwnPtr<ExecutionContextTask> task)
 {
     m_mainFrame->frame()->document()->postTask(BLINK_FROM_HERE, task);
 }
 
 bool WebEmbeddedWorkerImpl::postTaskToWorkerGlobalScope(PassOwnPtr<ExecutionContextTask> task)
 {
     if (m_askedToTerminate || !m_workerThread)
@@ skipping 155 matching lines @@
     m_mainScriptLoader.clear();
 
     m_workerGlobalScopeProxy = ServiceWorkerGlobalScopeProxy::create(*this, *document, *m_workerContextClient);
     m_loaderProxy = WorkerLoaderProxy::create(this);
     m_workerThread = ServiceWorkerThread::create(m_loaderProxy, *m_workerGlobalScopeProxy);
     m_workerThread->start(startupData.release());
     m_workerInspectorProxy->workerThreadCreated(document, m_workerThread.get(), scriptURL);
 }
 
 } // namespace blink