Oilpan: Prepare to support garbage-collected Node in WebNode hierarchy.

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 33 matching lines @@
 #include "wtf/ArrayBuffer.h"
 
 using namespace WebCore;
 
 namespace blink {
 
 WebSocketImpl::WebSocketImpl(const WebDocument& document, WebSocketClient* client)
     : m_client(client)
     , m_binaryType(BinaryTypeBlob)
 {
-    RefPtr<Document> coreDocument = PassRefPtr<Document>(document);
+    RefPtrWillBeRawPtr<Document> coreDocument = PassRefPtrWillBeRawPtr<Document>(document);
     if (RuntimeEnabledFeatures::experimentalWebSocketEnabled()) {
         m_private = NewWebSocketChannelImpl::create(coreDocument.get(), this);
     } else {
         m_private = MainThreadWebSocketChannel::create(coreDocument.get(), this);
     }
 }
 
 WebSocketImpl::~WebSocketImpl()
 {
     m_private->disconnect();
@@ skipping 94 matching lines @@
 {
     m_client->didStartClosingHandshake();
 }
 
 void WebSocketImpl::didClose(unsigned long bufferedAmount, ClosingHandshakeCompletionStatus status, unsigned short code, const String& reason)
 {
     m_client->didClose(bufferedAmount, static_cast<WebSocketClient::ClosingHandshakeCompletionStatus>(status), code, WebString(reason));
 }
 
 } // namespace blink