gpu: GPU service scheduler.

gpu/command_buffer/client/gles2_implementation.h

Index: gpu/command_buffer/client/gles2_implementation.h
diff --git a/gpu/command_buffer/client/gles2_implementation.h b/gpu/command_buffer/client/gles2_implementation.h
index af72fa0ba5bf6aeabd393b9d2bce8f5090e5a3bb..ef77cf3bd9dfbda8c31de8db04ff3d1043575f6d 100644
--- a/gpu/command_buffer/client/gles2_implementation.h
+++ b/gpu/command_buffer/client/gles2_implementation.h
@@ -252,6 +252,7 @@ class GLES2_IMPL_EXPORT GLES2Implementation
   void FreeSharedMemory(void*) override;
 
   // ContextSupport implementation.
+  void EnsureWorkVisibleAsync() override;
   void SignalSyncToken(const gpu::SyncToken& sync_token,
                        const base::Closure& callback) override;
   bool IsSyncTokenSignaled(const gpu::SyncToken& sync_token) override;