| Index: cc/output/compositor_frame_sink_unittest.cc
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| diff --git a/cc/output/compositor_frame_sink_unittest.cc b/cc/output/compositor_frame_sink_unittest.cc
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| index 6a72c8d58bbe2f2adf6c6e8e5d8a39709a671d83..127eb43f9c936ba1e0dd61232a54658cb6aca644 100644
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| --- a/cc/output/compositor_frame_sink_unittest.cc
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| +++ b/cc/output/compositor_frame_sink_unittest.cc
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| @@ -28,6 +28,7 @@ class TestCompositorFrameSink : public CompositorFrameSink {
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|    void SubmitCompositorFrame(CompositorFrame frame) override {
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|      client_->DidReceiveCompositorFrameAck();
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|    }
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| +  void DidNotProduceFrame(const BeginFrameAck& ack) override {}
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|  };
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|  
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|  TEST(CompositorFrameSinkTest, ContextLossInformsClient) {
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| 
 |