void RetireSyncPointOnGpuThread(uint32 sync_point);
void SignalSyncPointOnGpuThread(uint32 sync_point,
const base::Closure& callback);
+ bool WaitSyncPointOnGpuThread(uint32 sync_point);
void SignalQueryOnGpuThread(unsigned query_id, const base::Closure& callback);
void DestroyTransferBufferOnGpuThread(int32 id);
void RegisterGpuMemoryBufferOnGpuThread(