[cc] Add and plumb CFS::DidNotProduceFrame.

cc/scheduler/scheduler.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_H_
 #define CC_SCHEDULER_SCHEDULER_H_
 
 #include <deque>
 #include <memory>
 #include <string>
@@ skipping 29 matching lines @@
       const BeginFrameArgs& args) = 0;
   virtual DrawResult ScheduledActionDrawIfPossible() = 0;
   virtual DrawResult ScheduledActionDrawForced() = 0;
   virtual void ScheduledActionCommit() = 0;
   virtual void ScheduledActionActivateSyncTree() = 0;
   virtual void ScheduledActionBeginCompositorFrameSinkCreation() = 0;
   virtual void ScheduledActionPrepareTiles() = 0;
   virtual void ScheduledActionInvalidateCompositorFrameSink() = 0;
   virtual void ScheduledActionPerformImplSideInvalidation() = 0;
   virtual void DidFinishImplFrame() = 0;
+  virtual void DidNotProduceFrame(const BeginFrameAck& ack) = 0;
   virtual void SendBeginMainFrameNotExpectedSoon() = 0;
   virtual void ScheduledActionBeginMainFrameNotExpectedUntil(
       base::TimeTicks time) = 0;
 
  protected:
   virtual ~SchedulerClient() {}
 };
 
 class CC_EXPORT Scheduler : public BeginFrameObserverBase {
  public:
@@ skipping 169 matching lines @@
   }
 
   base::WeakPtrFactory<Scheduler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Scheduler);
 };
 
 }  // namespace cc
 
 #endif  // CC_SCHEDULER_SCHEDULER_H_