Cleanup WorkerThreadableWebSocketChannel's logic to wait for the main thread

Source/modules/websockets/WorkerThreadableWebSocketChannel.h

 /*
  * 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 121 matching lines @@
 
 protected:
     // WebSocketChannel functions.
     virtual void refWebSocketChannel() OVERRIDE { ref(); }
     virtual void derefWebSocketChannel() OVERRIDE { deref(); }
 
 private:
     // Bridge for Peer. Running on the worker thread.
     class Bridge : public RefCounted<Bridge> {
     public:
-        static PassRefPtr<Bridge> create(PassRefPtr<ThreadableWebSocketChannelClientWrapper> workerClientWrapper, PassRefPtrWillBeRawPtr<WorkerGlobalScope> workerGlobalScope)
+        static PassRefPtr<Bridge> create(PassRefPtr<ThreadableWebSocketChannelClientWrapper> workerClientWrapper, WorkerGlobalScope& workerGlobalScope)
         {
             return adoptRef(new Bridge(workerClientWrapper, workerGlobalScope));
         }
         ~Bridge();
         // sourceURLAtConnection and lineNumberAtConnection parameters may
         // be shown when the connection fails.
         void initialize(const String& sourceURLAtConnection, unsigned lineNumberAtConnection);
         bool connect(const KURL&, const String& protocol);
         WebSocketChannel::SendResult send(const String& message);
         WebSocketChannel::SendResult send(const ArrayBuffer&, unsigned byteOffset, unsigned byteLength);
         WebSocketChannel::SendResult send(PassRefPtr<BlobDataHandle>);
         unsigned long bufferedAmount();
         void close(int code, const String& reason);
         void fail(const String& reason, MessageLevel, const String& sourceURL, unsigned lineNumber);
         void disconnect();
         void suspend();
         void resume();
 
         using RefCounted<Bridge>::ref;
         using RefCounted<Bridge>::deref;
 
     private:
-        Bridge(PassRefPtr<ThreadableWebSocketChannelClientWrapper>, PassRefPtrWillBeRawPtr<WorkerGlobalScope>);
+        Bridge(PassRefPtr<ThreadableWebSocketChannelClientWrapper>, WorkerGlobalScope&);
 
         static void setWebSocketChannel(ExecutionContext*, Bridge* thisPtr, Peer*, PassRefPtr<ThreadableWebSocketChannelClientWrapper>);
 
         // Executed on the worker context's thread.
         void clearClientWrapper();
 
         // Returns false if shutdown event is received before method completion.
         bool waitForMethodCompletion();
 
         void terminatePeer();
 
+        bool hasTerminatedPeer() { return !m_syncHelper; }
+
         const RefPtr<ThreadableWebSocketChannelClientWrapper> m_workerClientWrapper;
         RefPtrWillBePersistent<WorkerGlobalScope> m_workerGlobalScope;
         WorkerLoaderProxy& m_loaderProxy;
         ThreadableWebSocketChannelSyncHelper* m_syncHelper;
         WeakPtr<Peer> m_peer;
     };
 
     WorkerThreadableWebSocketChannel(WorkerGlobalScope&, WebSocketChannelClient*, const String& sourceURL, unsigned lineNumber);
 
-    RefPtrWillBePersistent<WorkerGlobalScope> m_workerGlobalScope;
     const RefPtr<ThreadableWebSocketChannelClientWrapper> m_workerClientWrapper;
     RefPtr<Bridge> m_bridge;
     String m_sourceURLAtConnection;
     unsigned m_lineNumberAtConnection;
 };
 
 } // namespace WebCore
 
 #endif // WorkerThreadableWebSocketChannel_h