cc: Emulate BeginFrame in OutputSurfaces that don't support it natively

cc/test/scheduler_test_common.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_TEST_SCHEDULER_TEST_COMMON_H_
 #define CC_TEST_SCHEDULER_TEST_COMMON_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/time.h"
@@ skipping 44 matching lines @@
   virtual void PostDelayedTask(base::Closure cb, base::TimeDelta delay)
       OVERRIDE;
   virtual bool BelongsToCurrentThread() const OVERRIDE;
 
  protected:
   scoped_ptr<base::Closure> pending_task_;
   int64 pending_task_delay_;
   bool run_pending_task_on_overwrite_;
 };
 
-class FakeTimeSource : public cc::TimeSource {
- public:
-  FakeTimeSource() : active_(false), client_(0) {}
-
-  virtual void SetClient(cc::TimeSourceClient* client) OVERRIDE;
-  virtual void SetActive(bool b) OVERRIDE;
-  virtual bool Active() const OVERRIDE;
-  virtual void SetTimebaseAndInterval(base::TimeTicks timebase,
-                                      base::TimeDelta interval) OVERRIDE {}
-  virtual base::TimeTicks LastTickTime() OVERRIDE;
-  virtual base::TimeTicks NextTickTime() OVERRIDE;
-
-  void Tick() {
-    ASSERT_TRUE(active_);
-    if (client_)
-      client_->OnTimerTick();
-  }
-
-  void SetNextTickTime(base::TimeTicks next_tick_time) {
-    next_tick_time_ = next_tick_time;
-  }
-
- protected:
-  virtual ~FakeTimeSource() {}
-
-  bool active_;
-  base::TimeTicks next_tick_time_;
-  cc::TimeSourceClient* client_;
-};
-
 class FakeDelayBasedTimeSource : public cc::DelayBasedTimeSource {
  public:
   static scoped_refptr<FakeDelayBasedTimeSource> Create(
       base::TimeDelta interval, cc::Thread* thread) {
     return make_scoped_refptr(new FakeDelayBasedTimeSource(interval, thread));
   }
 
   void SetNow(base::TimeTicks time) { now_ = time; }
   virtual base::TimeTicks Now() const OVERRIDE;
 
  protected:
   FakeDelayBasedTimeSource(base::TimeDelta interval, cc::Thread* thread)
       : DelayBasedTimeSource(interval, thread) {}
   virtual ~FakeDelayBasedTimeSource() {}
 
   base::TimeTicks now_;
 };
 
 class FakeFrameRateController : public cc::FrameRateController {
  public:
   explicit FakeFrameRateController(scoped_refptr<cc::TimeSource> timer)
       : cc::FrameRateController(timer) {}
 
   int NumFramesPending() const { return num_frames_pending_; }
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_SCHEDULER_TEST_COMMON_H_