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

content/common/gpu/gpu_command_buffer_stub.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.
 
 #if defined(ENABLE_GPU)
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/process_util.h"
 #include "base/shared_memory.h"
@@ skipping 384 matching lines @@
   // Wake up the GpuScheduler to start doing work again.
   scheduler_->SetScheduled(true);
 }
 #endif  // defined(OS_MACOSX)
 
 void GpuCommandBufferStub::ResizeCallback(gfx::Size size) {
   if (handle_ == gfx::kNullPluginWindow) {
     scheduler_->decoder()->ResizeOffscreenFrameBuffer(size);
     scheduler_->decoder()->UpdateOffscreenFrameBufferSize();
   } else {
-#if defined(OS_LINUX) && !defined(TOUCH_UI) || defined(OS_WIN)
+#if defined(TOOLKIT_USES_GTK) && !defined(TOUCH_UI) || defined(OS_WIN)
     GpuChannelManager* gpu_channel_manager = channel_->gpu_channel_manager();
     gpu_channel_manager->Send(
         new GpuHostMsg_ResizeView(renderer_id_,
                                   render_view_id_,
                                   route_id_,
                                   size));
 
     scheduler_->SetScheduled(false);
 #endif
   }
 }
 
 void GpuCommandBufferStub::ViewResized() {
-#if defined(OS_LINUX) && !defined(TOUCH_UI) || defined(OS_WIN)
+#if defined(TOOLKIT_USES_GTK) && !defined(TOUCH_UI) || defined(OS_WIN)
   DCHECK(handle_ != gfx::kNullPluginWindow);
   scheduler_->SetScheduled(true);
 
   // Recreate the view surface to match the window size. TODO(apatrick): this is
   // likely not necessary on all platforms.
   gfx::GLContext* context = scheduler_->decoder()->GetGLContext();
   gfx::GLSurface* surface = scheduler_->decoder()->GetGLSurface();
   context->ReleaseCurrent(surface);
   if (surface) {
     surface->Destroy();
     surface->Initialize();
   }
 #endif
 }
 
 void GpuCommandBufferStub::ReportState() {
   gpu::CommandBuffer::State state = command_buffer_->GetState();
   if (state.error == gpu::error::kLostContext &&
       gfx::GLContext::LosesAllContextsOnContextLost()) {
     channel_->LoseAllContexts();
   } else {
     IPC::Message* msg = new GpuCommandBufferMsg_UpdateState(route_id_, state);
     msg->set_unblock(true);
     Send(msg);
   }
 }
 
 #endif  // defined(ENABLE_GPU)