Replaced TestNowSource with SimpleTestTickClock.

cc/test/test_now_source.h

-// Copyright 2014 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_TEST_NOW_SOURCE_H_
-#define CC_TEST_TEST_NOW_SOURCE_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/logging.h"
-#include "base/trace_event/trace_event.h"
-#include "base/trace_event/trace_event_argument.h"
-
-namespace cc {
-
-class TestNowSource : public base::RefCounted<TestNowSource> {
- public:
-  static scoped_refptr<TestNowSource> Create();
-  static scoped_refptr<TestNowSource> Create(int64_t initial);
-  static scoped_refptr<TestNowSource> Create(base::TimeTicks initial);
-
-  virtual void Reset();
-  virtual base::TimeTicks Now() const;
-  virtual void SetNow(base::TimeTicks time);
-  virtual void AdvanceNow(base::TimeDelta period);
-
-  // Convenience functions to make it the now source easier to use in unit
-  // tests.
-  void AdvanceNowMicroseconds(int64_t period_in_microseconds);
-  void SetNowMicroseconds(int64_t time_in_microseconds);
-
-  static const base::TimeTicks kAbsoluteMaxNow;
-
-  // Tracing functions
-  scoped_refptr<base::trace_event::ConvertableToTraceFormat> AsValue() const;
-  void AsValueInto(base::trace_event::TracedValue* state) const;
-  std::string ToString() const;
-
-  int NumNowCalls() const { return num_now_calls_; }
-
- protected:
-  TestNowSource();
-  explicit TestNowSource(int64_t initial);
-  explicit TestNowSource(base::TimeTicks initial);
-
-  base::TimeTicks initial_;
-  base::TimeTicks now_;
-  mutable int num_now_calls_;
-
- private:
-  friend class base::RefCounted<TestNowSource>;
-  virtual ~TestNowSource();
-};
-
-// gtest pretty printing functions
-void PrintTo(const scoped_refptr<TestNowSource>& src, ::std::ostream* os);
-::std::ostream& operator<<(::std::ostream& os,
-                           const scoped_refptr<TestNowSource>& src);
-
-}  // namespace cc
-
-#endif  // CC_TEST_TEST_NOW_SOURCE_H_