Cleanup GpuMemoryBuffer

gpu/command_buffer/client/gpu_memory_buffer_manager.h

Index: gpu/command_buffer/client/gpu_memory_buffer_manager.h
diff --git a/gpu/command_buffer/client/gpu_memory_buffer_manager.h b/gpu/command_buffer/client/gpu_memory_buffer_manager.h
index cc422bfcba78c5fb75253a82bf1a4e227ef501bb..ea1759ea0e576a5b182bdd22cc3dc9a583dd63c9 100644
--- a/gpu/command_buffer/client/gpu_memory_buffer_manager.h
+++ b/gpu/command_buffer/client/gpu_memory_buffer_manager.h
@@ -27,6 +27,10 @@ class GPU_EXPORT GpuMemoryBufferManager {
   virtual gfx::GpuMemoryBuffer* GpuMemoryBufferFromClientBuffer(
       ClientBuffer buffer) = 0;
 
+  // Associates destruction sync point with |buffer|.
+  virtual void SetDestructionSyncPoint(gfx::GpuMemoryBuffer* buffer,
+                                       uint32 sync_point) = 0;
+
  protected:
   virtual ~GpuMemoryBufferManager();
 };