| Index: cc/trees/single_thread_proxy.h
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| diff --git a/cc/trees/single_thread_proxy.h b/cc/trees/single_thread_proxy.h
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| index 52dd876de9da1b9bd7f9f80864b82275bc9b93c0..f463db1fde54c7e99f9d7a8371ee771c0b549e36 100644
 | 
| --- a/cc/trees/single_thread_proxy.h
 | 
| +++ b/cc/trees/single_thread_proxy.h
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| @@ -79,6 +79,7 @@ class CC_EXPORT SingleThreadProxy : public Proxy,
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|    base::TimeDelta CommitToActivateDurationEstimate() override;
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|    void DidBeginImplFrameDeadline() override;
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|    void SendBeginFramesToChildren(const BeginFrameArgs& args) override;
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| +  void SendBeginMainFrameNotExpectedSoon() override;
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|  
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|    // LayerTreeHostImplClient implementation
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|    void UpdateRendererCapabilitiesOnImplThread() override;
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| 
 |