Implement frame attribution (FrameBlamer)

components/scheduler/child/compositor_worker_scheduler.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/scheduler/child/compositor_worker_scheduler.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/threading/thread.h"
 
 namespace scheduler {
@@ skipping 78 matching lines @@
     NOTREACHED();
   }
 
   void SetTimeDomain(TimeDomain* domain) override { NOTREACHED(); }
 
   TimeDomain* GetTimeDomain() const override {
     NOTREACHED();
     return nullptr;
   }
 
+  void SetBlameContext(base::trace_event::BlameContext*) override {
+    NOTREACHED();
+  }
+
  private:
   ~CompositorWorkerTaskRunnerWrapper() override {}
 
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
 };
 }  // namespace
 
 CompositorWorkerScheduler::CompositorWorkerScheduler(base::Thread* thread)
     : thread_(thread) {}
 
@@ skipping 29 matching lines @@
 }
 
 void CompositorWorkerScheduler::RemoveTaskObserver(
     base::MessageLoop::TaskObserver* task_observer) {
   thread_->message_loop()->RemoveTaskObserver(task_observer);
 }
 
 void CompositorWorkerScheduler::Shutdown() {}
 
 }  // namespace scheduler