Merge TaskSynchronizer into WaitableEvent.

third_party/WebKit/Source/modules/websockets/WorkerWebSocketChannel.cpp

 /*
  * Copyright (C) 2011, 2012 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 370 matching lines @@
     }
     syncHelper->signalWorkerThread();
 }
 
 bool Bridge::connect(std::unique_ptr<SourceLocation> location, const KURL& url, const String& protocol)
 {
     // Wait for completion of the task on the main thread because the mixed
     // content check must synchronously be conducted.
     WebSocketChannelSyncHelper syncHelper;
     m_loaderProxy->postTaskToLoader(BLINK_FROM_HERE, createCrossThreadTask(&Bridge::connectOnMainThread, wrapCrossThreadPersistent(this), passed(location->clone()), wrapCrossThreadPersistent(m_workerGlobalScope->thread()->getWorkerThreadLifecycleContext()), url, protocol, crossThreadUnretained(&syncHelper)));
-    {
-        SafePointScope scope(BlinkGC::HeapPointersOnStack);
-        syncHelper.wait();
-    }
+    syncHelper.wait();
     return syncHelper.connectRequestResult();
 }
 
 void Bridge::send(const CString& message)
 {
     ASSERT(m_peer);
     std::unique_ptr<Vector<char>> data = wrapUnique(new Vector<char>(message.length()));
     if (message.length())
         memcpy(data->data(), static_cast<const char*>(message.data()), message.length());
 
@@ skipping 41 matching lines @@
     m_workerGlobalScope.clear();
 }
 
 DEFINE_TRACE(Bridge)
 {
     visitor->trace(m_client);
     visitor->trace(m_workerGlobalScope);
 }
 
 } // namespace blink