Delete Timing class, timing.h, and update all users.

webrtc/base/test/faketiming.h

-/*
- *  Copyright 2016 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#ifndef WEBRTC_BASE_TEST_FAKETIMING_H_
-#define WEBRTC_BASE_TEST_FAKETIMING_H_
-
-#include "webrtc/base/timing.h"
-#include "webrtc/base/timeutils.h"
-
-namespace rtc {
-
-class FakeTiming : public Timing {
- public:
-  // Starts at Jan 1, 1983 (UTC).
-  FakeTiming() : now_(410227200.0) {}
-  double TimerNow() override { return now_; }
-  void AdvanceTimeSecs(double seconds) { now_ += seconds; }
-  void AdvanceTimeMillisecs(double ms) { now_ += (ms / kNumMillisecsPerSec); }
-
- private:
-  double now_;
-};
-
-}  // namespace rtc
-
-#endif  // WEBRTC_BASE_TEST_FAKETIMING_H_