| Index: third_party/WebKit/Source/modules/compositorworker/CompositorWorkerThread.h | 
| diff --git a/third_party/WebKit/Source/modules/compositorworker/CompositorWorkerThread.h b/third_party/WebKit/Source/modules/compositorworker/CompositorWorkerThread.h | 
| index fe0ffe8398ab19401db294e1e38b71c9d7f72fc4..de0b407d96f33fa9236fa19db3274c2b6171ab54 100644 | 
| --- a/third_party/WebKit/Source/modules/compositorworker/CompositorWorkerThread.h | 
| +++ b/third_party/WebKit/Source/modules/compositorworker/CompositorWorkerThread.h | 
| @@ -20,6 +20,12 @@ public: | 
|  | 
| WorkerObjectProxy& workerObjectProxy() const { return m_workerObjectProxy; } | 
|  | 
| +    // Returns the shared backing thread for all CompositorWorkers. | 
| +    static WebThreadSupportingGC* sharedBackingThread(); | 
| + | 
| +    static bool hasThreadForTest(); | 
| +    static bool hasIsolateForTest(); | 
| + | 
| protected: | 
| CompositorWorkerThread(PassRefPtr<WorkerLoaderProxy>, WorkerObjectProxy&, double timeOrigin); | 
|  | 
|  |