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

content/gpu/gpu_child_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/gpu/gpu_child_thread.h"
 
 #include <string>
 #include <vector>
 
 #include "app/win/scoped_com_initializer.h"
@@ skipping 71 matching lines @@
 
 void GpuChildThread::Init(const base::Time& process_start_time) {
   process_start_time_ = process_start_time;
 }
 
 bool GpuChildThread::Send(IPC::Message* msg) {
   // The GPU process must never send a synchronous IPC message to the browser
   // process. This could result in deadlock. Unfortunately linux does this for
   // GpuHostMsg_ResizeXID. TODO(apatrick): fix this before issuing any GL calls
   // on the browser process' GPU thread.
-#if !defined(OS_LINUX)
+#if !defined(TOOLKIT_USES_GTK)
     DCHECK(!msg->is_sync());
 #endif
 
   return ChildThread::Send(msg);
 }
 
 bool GpuChildThread::OnControlMessageReceived(const IPC::Message& msg) {
   bool msg_is_ok = true;
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP_EX(GpuChildThread, msg, msg_is_ok)
@@ skipping 173 matching lines @@
 // Runs on the main thread.
 void GpuChildThread::SetDxDiagnostics(GpuChildThread* thread,
                                       const DxDiagNode& node) {
   thread->gpu_info_.dx_diagnostics = node;
   thread->gpu_info_.finalized = true;
   thread->collecting_dx_diagnostics_ = false;
   thread->Send(new GpuHostMsg_GraphicsInfoCollected(thread->gpu_info_));
 }
 
 #endif