Have Frame::loader() return a reference

Source/modules/websockets/MainThreadWebSocketChannel.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 234 matching lines @@
     m_suspended = false;
     if ((!m_buffer.isEmpty() || (m_state == ChannelClosed)) && m_client && !m_resumeTimer.isActive())
         m_resumeTimer.startOneShot(0);
 }
 
 void MainThreadWebSocketChannel::willOpenSocketStream(SocketStreamHandle* handle)
 {
     LOG(Network, "MainThreadWebSocketChannel %p willOpenSocketStream()", this);
     ASSERT(handle);
     if (m_document->frame())
-        m_document->frame()->loader()->client()->dispatchWillOpenSocketStream(handle);
+        m_document->frame()->loader().client()->dispatchWillOpenSocketStream(handle);
 }
 
 void MainThreadWebSocketChannel::didOpenSocketStream(SocketStreamHandle* handle)
 {
     LOG(Network, "MainThreadWebSocketChannel %p didOpenSocketStream()", this);
     ASSERT(handle == m_handle);
     if (!m_document)
         return;
     if (m_identifier)
         InspectorInstrumentation::willSendWebSocketHandshakeRequest(m_document, m_identifier, *m_handshake->clientHandshakeRequest());
@@ skipping 541 matching lines @@
     }
 
     Vector<char> frameData;
     frame.makeFrameData(frameData);
 
     m_perMessageDeflate.resetDeflateBuffer();
     return m_handle->send(frameData.data(), frameData.size());
 }
 
 } // namespace WebCore