Fix --single-process mode issues with GpuChannelHostFactory

content/common/gpu/client/gpu_channel_host.cc

 // Copyright (c) 2012 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/common/gpu/client/gpu_channel_host.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
 #include "content/common/gpu/client/command_buffer_proxy.h"
 #include "content/common/gpu/gpu_messages.h"
 #include "googleurl/src/gurl.h"
 #include "ipc/ipc_sync_message_filter.h"
 
-GpuChannelHostFactory* GpuChannelHostFactory::instance_ = NULL;
-
-GpuChannelHostFactory::~GpuChannelHostFactory() {
-  DCHECK(!instance_);
-}
-
 using base::AutoLock;
 using base::MessageLoopProxy;
 
 GpuListenerInfo::GpuListenerInfo() {
 }
 
 GpuListenerInfo::~GpuListenerInfo() {
 }
 
 GpuChannelHost::MessageFilter::MessageFilter(GpuChannelHost* parent)
@@ skipping 280 matching lines @@
                                                  &result))) {
     return false;
   }
   return result;
 }
 
 void GpuChannelHost::ForciblyCloseChannel() {
   Send(new GpuChannelMsg_CloseChannel());
   SetStateLost();
 }