Decouple browser-specific GPU IPC messages from GPU service IPCs

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 32768337dc27239bf1d8f24889f5c86feb6ff6f8..c0661bf835cb089aa76d3f620a2f1e3b09470c9a 100644
--- a/content/browser/gpu/gpu_process_host_ui_shim.h
+++ b/content/browser/gpu/gpu_process_host_ui_shim.h
@@ -27,10 +27,6 @@
 #include "ipc/ipc_sender.h"
 #include "ipc/message_router.h"
 
-#if defined(OS_MACOSX)
-struct GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params;
-#endif
-
 namespace ui {
 class LatencyInfo;
 }
@@ -48,6 +44,9 @@ struct VideoMemoryUsageStats;
 }
 
 namespace content {
+#if defined(OS_MACOSX)
+struct AcceleratedSurfaceBuffersSwappedParams;
+#endif
 void RouteToGpuProcessHostUIShimTask(int host_id, const IPC::Message& msg);
 
 class GpuProcessHostUIShim : public IPC::Listener,
@@ -102,7 +101,7 @@ class GpuProcessHostUIShim : public IPC::Listener,
 
 #if defined(OS_MACOSX)
   void OnAcceleratedSurfaceBuffersSwapped(
-      const GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params& params);
+      const AcceleratedSurfaceBuffersSwappedParams& params);
 #endif
   void OnVideoMemoryUsageStatsReceived(
       const gpu::VideoMemoryUsageStats& video_memory_usage_stats);