| 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 ca810dd885da699d5f95bf62d198d836bc44dee7..db9da27bc3657c5aae613c6541315905f247be6d 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 | 
| @@ -63,6 +63,11 @@ class CompositorWorkerTaskRunnerWrapper : public TaskQueue { | 
| return false; | 
| }; | 
|  | 
| +  base::Optional<base::TimeTicks> GetNextScheduledWakeUp() override { | 
| +    NOTREACHED(); | 
| +    return base::nullopt; | 
| +  } | 
| + | 
| const char* GetName() const override { | 
| NOTREACHED(); | 
| return nullptr; | 
|  |