3D Compositing in <browser>, first draft.

content/browser/gpu/gpu_process_host_ui_shim.h

Index: content/browser/gpu/gpu_process_host_ui_shim.h
diff --git a/content/browser/gpu/gpu_process_host_ui_shim.h b/content/browser/gpu/gpu_process_host_ui_shim.h
index ec5678c4a405975ea0c3ce1768ca07c0841d80e3..c72e5bef9fab0dafdf6f4ccbef8dd8a07fd58d2e 100644
--- a/content/browser/gpu/gpu_process_host_ui_shim.h
+++ b/content/browser/gpu/gpu_process_host_ui_shim.h
@@ -97,16 +97,10 @@ class GpuProcessHostUIShim
   void OnAcceleratedSurfacePostSubBuffer(
       const GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params& params);
   void OnAcceleratedSurfaceSuspend(int32 surface_id);
-
-#if defined(OS_MACOSX) || defined(USE_AURA)
   void OnAcceleratedSurfaceNew(
       const GpuHostMsg_AcceleratedSurfaceNew_Params& params);
-#endif
-
-#if defined(USE_AURA)
   void OnAcceleratedSurfaceRelease(
       const GpuHostMsg_AcceleratedSurfaceRelease_Params& params);
-#endif
 
   // The serial number of the GpuProcessHost / GpuProcessHostUIShim pair.
   int host_id_;