Replace OS_LINUX ifdefs with OS_POSIX & !OS_MACOSX, TOOLKIT_USES_GTK, or

content/common/gpu/gpu_channel_manager.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/common/gpu/gpu_channel_manager.h"
 
 #include <string>
 #include <vector>
 
 #include "app/win/scoped_com_initializer.h"
@@ skipping 31 matching lines @@
 bool GpuChannelManager::OnMessageReceived(const IPC::Message& msg) {
   bool msg_is_ok = true;
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP_EX(GpuChannelManager, msg, msg_is_ok)
     IPC_MESSAGE_HANDLER(GpuMsg_EstablishChannel, OnEstablishChannel)
     IPC_MESSAGE_HANDLER(GpuMsg_CloseChannel, OnCloseChannel)
     IPC_MESSAGE_HANDLER(GpuMsg_CreateViewCommandBuffer,
                         OnCreateViewCommandBuffer)
     IPC_MESSAGE_HANDLER(GpuMsg_Synchronize, OnSynchronize)
     IPC_MESSAGE_HANDLER(GpuMsg_VisibilityChanged, OnVisibilityChanged)
-#if defined(OS_LINUX) && !defined(TOUCH_UI) || defined(OS_WIN)
+#if defined(TOOLKIT_USES_GTK) && !defined(TOUCH_UI) || defined(OS_WIN)
     IPC_MESSAGE_HANDLER(GpuMsg_ResizeViewACK, OnResizeViewACK);
 #elif defined(OS_MACOSX)
     IPC_MESSAGE_HANDLER(GpuMsg_AcceleratedSurfaceBuffersSwappedACK,
                         OnAcceleratedSurfaceBuffersSwappedACK)
     IPC_MESSAGE_HANDLER(GpuMsg_DestroyCommandBuffer,
                         OnDestroyCommandBuffer)
 #endif
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP_EX()
   return handled;
@@ skipping 102 matching lines @@
 
 void GpuChannelManager::LoseAllContexts() {
   MessageLoop::current()->PostTask(
       FROM_HERE, method_factory_.NewRunnableMethod(
           &GpuChannelManager::OnLoseAllContexts));
 }
 
 void GpuChannelManager::OnLoseAllContexts() {
   gpu_channels_.clear();
 }