| Index: third_party/WebKit/Source/platform/scheduler/child/compositor_worker_scheduler.cc | 
| diff --git a/third_party/WebKit/Source/platform/scheduler/child/compositor_worker_scheduler.cc b/third_party/WebKit/Source/platform/scheduler/child/compositor_worker_scheduler.cc | 
| index 0c654ee77e942a618665fac72a4d39af8ac30af4..e0ce65de89a56f08e04a719c2909c48d3f5f5817 100644 | 
| --- a/third_party/WebKit/Source/platform/scheduler/child/compositor_worker_scheduler.cc | 
| +++ b/third_party/WebKit/Source/platform/scheduler/child/compositor_worker_scheduler.cc | 
| @@ -81,6 +81,11 @@ class CompositorWorkerTaskRunnerWrapper : public TaskQueue { | 
| return false; | 
| }; | 
|  | 
| +  base::Optional<base::TimeTicks> GetNextScheduledWakeUp() override { | 
| +    NOTREACHED(); | 
| +    return base::nullopt; | 
| +  } | 
| + | 
| const char* GetName() const override { | 
| NOTREACHED(); | 
| return nullptr; | 
|  |