cc: Chromify TimeSource, DelayBasedTimeSource and test

cc/scheduler/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_TIME_SOURCE_H_
 #define CC_SCHEDULER_TIME_SOURCE_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/time.h"
 #include "cc/base/cc_export.h"
 
 namespace cc {
 
 class TimeSourceClient {
  public:
-  virtual void onTimerTick() = 0;
+  virtual void OnTimerTick() = 0;
 
  protected:
   virtual ~TimeSourceClient() {}
 };
 
 // An generic interface for getting a reliably-ticking timesource of
 // a specified rate.
 //
-// Be sure to call setActive(false) before releasing your reference to the
+// Be sure to call SetActive(false) before releasing your reference to the
 // timer, or it will keep on ticking!
 class CC_EXPORT TimeSource : public base::RefCounted<TimeSource> {
  public:
-  virtual void setClient(TimeSourceClient*) = 0;
-  virtual void setActive(bool) = 0;
-  virtual bool active() const = 0;
-  virtual void setTimebaseAndInterval(base::TimeTicks timebase,
+  virtual void SetClient(TimeSourceClient* client) = 0;
+  virtual void SetActive(bool active) = 0;
+  virtual bool Active() const = 0;
+  virtual void SetTimebaseAndInterval(base::TimeTicks timebase,
                                       base::TimeDelta interval) = 0;
-  virtual base::TimeTicks lastTickTime() = 0;
-  virtual base::TimeTicks nextTickTime() = 0;
+  virtual base::TimeTicks LastTickTime() = 0;
+  virtual base::TimeTicks NextTickTime() = 0;
 
  protected:
   virtual ~TimeSource() {}
 
  private:
   friend class base::RefCounted<TimeSource>;
 };
 
 }  // namespace cc
 
 #endif  // CC_SCHEDULER_TIME_SOURCE_H_