Cleanup GpuMemoryBuffer

content/browser/gpu/browser_gpu_memory_buffer_manager.h

Index: content/browser/gpu/browser_gpu_memory_buffer_manager.h
diff --git a/content/browser/gpu/browser_gpu_memory_buffer_manager.h b/content/browser/gpu/browser_gpu_memory_buffer_manager.h
index 8798ab712dd2b064ed67c885deda9bd4d2bac05f..c2ce3fb37c7cc4712cd402071ea5307bfba002bd 100644
--- a/content/browser/gpu/browser_gpu_memory_buffer_manager.h
+++ b/content/browser/gpu/browser_gpu_memory_buffer_manager.h
@@ -30,6 +30,9 @@ class CONTENT_EXPORT BrowserGpuMemoryBufferManager
       gfx::GpuMemoryBuffer::Usage usage) override;
   gfx::GpuMemoryBuffer* GpuMemoryBufferFromClientBuffer(
       ClientBuffer buffer) override;
+  bool NeedsDestructionSyncPoint(gfx::GpuMemoryBufferType type) override;
+  void RecordDestructionSyncPoint(ClientBuffer buffer,
+                                  uint32 sync_point) override;
 
   void AllocateGpuMemoryBufferForChildProcess(
       const gfx::Size& size,
@@ -41,7 +44,8 @@ class CONTENT_EXPORT BrowserGpuMemoryBufferManager
   void ChildProcessDeletedGpuMemoryBuffer(
       gfx::GpuMemoryBufferType type,
       const gfx::GpuMemoryBufferId& id,
-      base::ProcessHandle child_process_handle);
+      base::ProcessHandle child_process_handle,
+      uint32 sync_point);
   void ProcessRemoved(base::ProcessHandle process_handle);
 
  private: