Delete the old WebSocket implementation.

Source/web/WebSocketImpl.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 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "web/WebSocketImpl.h"
 
 #include "core/dom/Document.h"
 #include "core/frame/ConsoleTypes.h"
-#include "modules/websockets/MainThreadWebSocketChannel.h"
 #include "modules/websockets/NewWebSocketChannelImpl.h"
 #include "modules/websockets/WebSocketChannel.h"
-#include "platform/RuntimeEnabledFeatures.h"
 #include "public/platform/WebArrayBuffer.h"
 #include "public/platform/WebString.h"
 #include "public/platform/WebURL.h"
 #include "public/web/WebDocument.h"
 #include "web/WebSocketChannelClientProxy.h"
 #include "wtf/ArrayBuffer.h"
 #include "wtf/text/CString.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 WebSocketImpl::WebSocketImpl(const WebDocument& document, WebSocketClient* client)
     : m_client(client)
     , m_channelProxy(WebSocketChannelClientProxy::create(this))
     , m_binaryType(BinaryTypeBlob)
     , m_isClosingOrClosed(false)
     , m_bufferedAmount(0)
     , m_bufferedAmountAfterClose(0)
 {
     RefPtrWillBeRawPtr<Document> coreDocument = PassRefPtrWillBeRawPtr<Document>(document);
-    if (RuntimeEnabledFeatures::experimentalWebSocketEnabled()) {
-        m_private = NewWebSocketChannelImpl::create(coreDocument.get(), m_channelProxy.get());
-    } else {
-        m_private = MainThreadWebSocketChannel::create(coreDocument.get(), m_channelProxy.get());
-    }
+    m_private = NewWebSocketChannelImpl::create(coreDocument.get(), m_channelProxy.get());
 }
 
 WebSocketImpl::~WebSocketImpl()
 {
     m_private->disconnect();
 }
 
 WebSocket::BinaryType WebSocketImpl::binaryType() const
 {
     return m_binaryType;
@@ skipping 127 matching lines @@
 void WebSocketImpl::didClose(WebSocketChannelClient::ClosingHandshakeCompletionStatus status, unsigned short code, const String& reason)
 {
     m_isClosingOrClosed = true;
     m_client->didClose(static_cast<WebSocketClient::ClosingHandshakeCompletionStatus>(status), code, WebString(reason));
 
     // FIXME: Deprecate this call.
     m_client->didClose(m_bufferedAmount - m_bufferedAmountAfterClose, static_cast<WebSocketClient::ClosingHandshakeCompletionStatus>(status), code, WebString(reason));
 }
 
 } // namespace blink