Schedule bitmap animation timers on the compositor task runner.

third_party/WebKit/Source/platform/scheduler/child/web_scheduler_impl.h

 // Copyright 2015 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.
 
 #ifndef THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_CHILD_WEB_SCHEDULER_IMPL_H_
 #define THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_CHILD_WEB_SCHEDULER_IMPL_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 22 matching lines @@
   // WebScheduler implementation:
   void Shutdown() override;
   bool ShouldYieldForHighPriorityWork() override;
   bool CanExceedIdleDeadlineIfRequired() override;
   void PostIdleTask(const WebTraceLocation& location,
                     WebThread::IdleTask* task) override;
   void PostNonNestableIdleTask(const WebTraceLocation& location,
                                WebThread::IdleTask* task) override;
   WebTaskRunner* LoadingTaskRunner() override;
   WebTaskRunner* TimerTaskRunner() override;
+  WebTaskRunner* CompositorTaskRunner() override;
   std::unique_ptr<WebViewScheduler> CreateWebViewScheduler(
       InterventionReporter*,
       WebViewScheduler::WebViewSchedulerSettings*) override;
   void SuspendTimerQueue() override {}
   void ResumeTimerQueue() override {}
   void AddPendingNavigation(
       scheduler::RendererScheduler::NavigatingFrameType type) override {}
   void RemovePendingNavigation(
       scheduler::RendererScheduler::NavigatingFrameType type) override {}
 
  private:
   static void RunIdleTask(std::unique_ptr<WebThread::IdleTask> task,
                           base::TimeTicks deadline);
 
   ChildScheduler* child_scheduler_;  // NOT OWNED
   scoped_refptr<SingleThreadIdleTaskRunner> idle_task_runner_;
   RefPtr<WebTaskRunnerImpl> loading_web_task_runner_;
   RefPtr<WebTaskRunnerImpl> timer_web_task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(WebSchedulerImpl);
 };
 
 }  // namespace scheduler
 }  // namespace blink
 
 #endif  // THIRD_PARTY_WEBKIT_SOURCE_PLATFORM_SCHEDULER_CHILD_WEB_SCHEDULER_IMPL_H_