cc: Remove FakeThread, use SingleThreadTaskRunner in scheduling classes.

cc/scheduler/delay_based_time_source.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_DELAY_BASED_TIME_SOURCE_H_
 #define CC_SCHEDULER_DELAY_BASED_TIME_SOURCE_H_
 
 #include "base/memory/weak_ptr.h"
 #include "cc/base/cc_export.h"
 #include "cc/scheduler/time_source.h"
 
+namespace base { class SingleThreadTaskRunner; }
+
 namespace cc {
 
-class Thread;
-
 // This timer implements a time source that achieves the specified interval
 // in face of millisecond-precision delayed callbacks and random queueing
 // delays.
 class CC_EXPORT DelayBasedTimeSource : public TimeSource {
  public:
-  static scoped_refptr<DelayBasedTimeSource> Create(base::TimeDelta interval,
-                                                    Thread* thread);
+  static scoped_refptr<DelayBasedTimeSource> Create(
+      base::TimeDelta interval, base::SingleThreadTaskRunner* task_runner);
 
   virtual void SetClient(TimeSourceClient* client) OVERRIDE;
 
   // TimeSource implementation
   virtual void SetTimebaseAndInterval(base::TimeTicks timebase,
                                       base::TimeDelta interval) OVERRIDE;
 
   virtual void SetActive(bool active) OVERRIDE;
   virtual bool Active() const OVERRIDE;
 
   // Get the last and next tick times. nextTimeTime() returns null when
   // inactive.
   virtual base::TimeTicks LastTickTime() OVERRIDE;
   virtual base::TimeTicks NextTickTime() OVERRIDE;
 
   // Virtual for testing.
   virtual base::TimeTicks Now() const;
 
  protected:
-  DelayBasedTimeSource(base::TimeDelta interval, Thread* thread);
+  DelayBasedTimeSource(base::TimeDelta interval,
+                       base::SingleThreadTaskRunner* task_runner);
   virtual ~DelayBasedTimeSource();
 
   base::TimeTicks NextTickTarget(base::TimeTicks now);
   void PostNextTickTask(base::TimeTicks now);
   void OnTimerFired();
 
   enum State {
     STATE_INACTIVE,
     STATE_STARTING,
     STATE_ACTIVE,
@@ skipping 12 matching lines @@
 
   // current_parameters_ should only be written by PostNextTickTask.
   // next_parameters_ will take effect on the next call to PostNextTickTask.
   // Maintaining a pending set of parameters allows NextTickTime() to always
   // reflect the actual time we expect OnTimerFired to be called.
   Parameters current_parameters_;
   Parameters next_parameters_;
 
   State state_;
 
-  Thread* thread_;
+  base::SingleThreadTaskRunner* task_runner_;
   base::WeakPtrFactory<DelayBasedTimeSource> weak_factory_;
+
+ private:
   DISALLOW_COPY_AND_ASSIGN(DelayBasedTimeSource);
 };
 
 }  // namespace cc
 
 #endif  // CC_SCHEDULER_DELAY_BASED_TIME_SOURCE_H_