Disable scheduler deadline task on battery power in Windows

cc/trees/thread_proxy.h

 // Copyright 2011 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 CC_TREES_THREAD_PROXY_H_
 #define CC_TREES_THREAD_PROXY_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 193 matching lines @@
   virtual bool IsInsideDraw() override;
   virtual void RenewTreePriority() override;
   virtual void PostDelayedScrollbarFadeOnImplThread(
       const base::Closure& start_fade,
       base::TimeDelta delay) override;
   virtual void DidActivateSyncTree() override;
   virtual void DidManageTiles() override;
 
   // SchedulerClient implementation
   virtual BeginFrameSource* ExternalBeginFrameSource() override;
+  virtual base::PowerMonitor* PowerMonitor() override;
   virtual void WillBeginImplFrame(const BeginFrameArgs& args) override;
   virtual void ScheduledActionSendBeginMainFrame() override;
   virtual DrawResult ScheduledActionDrawAndSwapIfPossible() override;
   virtual DrawResult ScheduledActionDrawAndSwapForced() override;
   virtual void ScheduledActionAnimate() override;
   virtual void ScheduledActionCommit() override;
   virtual void ScheduledActionUpdateVisibleTiles() override;
   virtual void ScheduledActionActivateSyncTree() override;
   virtual void ScheduledActionBeginOutputSurfaceCreation() override;
   virtual void ScheduledActionManageTiles() override;
@@ skipping 73 matching lines @@
 
   base::WeakPtr<ThreadProxy> main_thread_weak_ptr_;
   base::WeakPtr<ThreadProxy> impl_thread_weak_ptr_;
 
   DISALLOW_COPY_AND_ASSIGN(ThreadProxy);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_THREAD_PROXY_H_