Prepare Chromium for WebCompositor::initialize.

content/renderer/gpu/compositor_thread.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/gpu/compositor_thread.h"
 
 #include "base/bind.h"
 #include "content/renderer/gpu/input_event_filter.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCompositor.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCompositorClient.h"
@@ skipping 45 matching lines @@
 
 //------------------------------------------------------------------------------
 
 CompositorThread::CompositorThread(IPC::Channel::Listener* main_listener)
     : thread_("Compositor") {
   filter_ =
       new InputEventFilter(main_listener,
                            thread_.message_loop()->message_loop_proxy(),
                            base::Bind(&CompositorThread::HandleInputEvent,
                                       base::Unretained(this)));
-  WebCompositor::setThread(&thread_);
 }
 
 CompositorThread::~CompositorThread() {
 }
 
 IPC::ChannelProxy::MessageFilter* CompositorThread::GetMessageFilter() const {
   return filter_;
 }
 
 void CompositorThread::AddCompositor(int routing_id, int compositor_id) {
@@ skipping 36 matching lines @@
 
   CompositorMap::iterator it = compositors_.find(routing_id);
   if (it == compositors_.end()) {
     // Oops, we no longer have an interested compositor.
     filter_->DidNotHandleInputEvent(true);
     return;
   }
 
   it->second->compositor()->handleInputEvent(*input_event);
 }