Report accelerated surface vsync time info to browser compositor.

content/common/gpu/gpu_messages.h

 // Copyright (c) 2012 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.
 
 // Multiply-included message file, hence no include guard here, but see below
 // for a much smaller-than-usual include guard section.
 
 #include <string>
 #include <vector>
 
@@ skipping 66 matching lines @@
   IPC_STRUCT_MEMBER(int32, surface_id)
   IPC_STRUCT_MEMBER(int32, route_id)
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(AcceleratedSurfaceMsg_BufferPresented_Params)
   IPC_STRUCT_MEMBER(std::string, mailbox_name)
   IPC_STRUCT_MEMBER(uint32, sync_point)
 #if defined(OS_MACOSX)
   IPC_STRUCT_MEMBER(int32, renderer_id)
 #endif
+#if defined(OS_WIN)
+  IPC_STRUCT_MEMBER(base::TimeTicks, vsync_timebase)
+  IPC_STRUCT_MEMBER(base::TimeDelta, vsync_interval)
+#endif
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(GPUCommandBufferConsoleMessage)
   IPC_STRUCT_MEMBER(int32, id)
   IPC_STRUCT_MEMBER(std::string, message)
 IPC_STRUCT_END()
 
 #if defined(OS_ANDROID)
 IPC_STRUCT_BEGIN(GpuStreamTextureMsg_MatrixChanged_Params)
   IPC_STRUCT_MEMBER(float, m00)
@@ skipping 704 matching lines @@
                     gfx::Size /* buffer_size */,
                     gfx::Rect /* visible_rect */)
 
 // Report successful copy of a capture of a surface.
 IPC_MESSAGE_ROUTED1(SurfaceCapturerHostMsg_NotifyCopyCaptureDone,
                     int32 /* frame_id */)
 
 // Report error.
 IPC_MESSAGE_ROUTED1(SurfaceCapturerHostMsg_NotifyError,
                     content::SurfaceCapturer::Error /* error */)