| Index: third_party/WebKit/Source/web/CompositorProxyClientImpl.h
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| diff --git a/third_party/WebKit/Source/web/CompositorProxyClientImpl.h b/third_party/WebKit/Source/web/CompositorProxyClientImpl.h
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| index 5c171063f7f60d426c8b49016194d1b031c7ee11..3390c4a965356cfb6abb1ee876835b7fa999ae44 100644
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| --- a/third_party/WebKit/Source/web/CompositorProxyClientImpl.h
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| +++ b/third_party/WebKit/Source/web/CompositorProxyClientImpl.h
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| @@ -11,6 +11,7 @@
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|  
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|  namespace blink {
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|  
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| +class CompositorMutableStateProvider;
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|  class CompositorMutatorImpl;
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|  class CompositorWorkerGlobalScope;
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|  class WorkerGlobalScope;
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| @@ -29,7 +30,7 @@ public:
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|  
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|      // Runs the animation frame callback for the frame starting at the given time.
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|      // Returns true if another animation frame was requested (i.e. should be reinvoked next frame).
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| -    bool mutate(double monotonicTimeNow);
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| +    bool mutate(double monotonicTimeNow, CompositorMutableStateProvider*);
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|  
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|      // CompositorProxyClient:
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|      void setGlobalScope(WorkerGlobalScope*) override;
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| 
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