Delete the old WebSocket implementation.

Source/modules/websockets/WorkerThreadableWebSocketChannel.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 25 matching lines @@
 #include "core/dom/CrossThreadTask.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/dom/ExecutionContextTask.h"
 #include "core/fileapi/Blob.h"
 #include "core/inspector/ScriptCallFrame.h"
 #include "core/inspector/ScriptCallStack.h"
 #include "core/workers/WorkerGlobalScope.h"
 #include "core/workers/WorkerLoaderProxy.h"
 #include "core/workers/WorkerThread.h"
-#include "modules/websockets/MainThreadWebSocketChannel.h"
 #include "modules/websockets/NewWebSocketChannelImpl.h"
-#include "platform/RuntimeEnabledFeatures.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebWaitableEvent.h"
 #include "wtf/ArrayBuffer.h"
 #include "wtf/Assertions.h"
 #include "wtf/Functional.h"
 #include "wtf/MainThread.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
@@ skipping 137 matching lines @@
 
 Peer::~Peer()
 {
     ASSERT(!isMainThread());
 }
 
 void Peer::initializeInternal(ExecutionContext* context, const String& sourceURL, unsigned lineNumber)
 {
     ASSERT(isMainThread());
     Document* document = toDocument(context);
-    if (RuntimeEnabledFeatures::experimentalWebSocketEnabled()) {
-        m_mainWebSocketChannel = NewWebSocketChannelImpl::create(document, this, sourceURL, lineNumber);
-    } else {
-        m_mainWebSocketChannel = MainThreadWebSocketChannel::create(document, this, sourceURL, lineNumber);
-    }
+    m_mainWebSocketChannel = NewWebSocketChannelImpl::create(document, this, sourceURL, lineNumber);
     m_syncHelper->signalWorkerThread();
 }
 
 void Peer::connect(const KURL& url, const String& protocol)
 {
     ASSERT(isMainThread());
     ASSERT(m_syncHelper);
     if (!m_mainWebSocketChannel) {
         m_syncHelper->setConnectRequestResult(false);
     } else {
@@ skipping 258 matching lines @@
 
 void Bridge::trace(Visitor* visitor)
 {
     visitor->trace(m_client);
     visitor->trace(m_workerGlobalScope);
     visitor->trace(m_syncHelper);
     visitor->trace(m_peer);
 }
 
 } // namespace blink