cc: Remove unused function ShouldDrawForced.

cc/scheduler/scheduler_state_machine.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_SCHEDULER_SCHEDULER_STATE_MACHINE_H_
 #define CC_SCHEDULER_SCHEDULER_STATE_MACHINE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 264 matching lines @@
   bool BeginFrameNeededForChildren() const;
   bool ProactiveBeginFrameWanted() const;
 
   bool ShouldTriggerBeginImplFrameDeadlineImmediately() const;
 
   // True if we need to force activations to make forward progress.
   bool PendingActivationsShouldBeForced() const;
 
   bool ShouldAnimate() const;
   bool ShouldBeginOutputSurfaceCreation() const;
-  bool ShouldDrawForced() const;
   bool ShouldDraw() const;
   bool ShouldActivatePendingTree() const;
   bool ShouldSendBeginMainFrame() const;
   bool ShouldCommit() const;
   bool ShouldPrepareTiles() const;
 
   void AdvanceCurrentFrameNumber();
   bool HasAnimatedThisFrame() const;
   bool HasSentBeginMainFrameThisFrame() const;
   bool HasRequestedSwapThisFrame() const;
@@ skipping 49 matching lines @@
   bool children_need_begin_frames_;
   bool defer_commits_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SchedulerStateMachine);
 };
 
 }  // namespace cc
 
 #endif  // CC_SCHEDULER_SCHEDULER_STATE_MACHINE_H_