Replace erroneous use of base::Time with base::TimeTicks throughout media code.

media/base/audio_renderer_mixer.cc

 // Copyright (c) 2012 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.
 
 #include "media/base/audio_renderer_mixer.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/logging.h"
 
 namespace media {
 
 enum { kPauseDelaySeconds = 10 };
 
 AudioRendererMixer::AudioRendererMixer(
     const AudioParameters& input_params, const AudioParameters& output_params,
     const scoped_refptr<AudioRendererSink>& sink)
     : audio_sink_(sink),
       audio_converter_(input_params, output_params, true),
       pause_delay_(base::TimeDelta::FromSeconds(kPauseDelaySeconds)),
-      last_play_time_(base::Time::Now()),
+      last_play_time_(base::TimeTicks::Now()),
       // Initialize |playing_| to true since Start() results in an auto-play.
       playing_(true) {
   audio_sink_->Initialize(output_params, this);
   audio_sink_->Start();
 }
 
 AudioRendererMixer::~AudioRendererMixer() {
   // AudioRendererSinks must be stopped before being destructed.
   audio_sink_->Stop();
 
   // Ensures that all mixer inputs have stopped themselves prior to destruction
   // and have called RemoveMixerInput().
   DCHECK_EQ(mixer_inputs_.size(), 0U);
 }
 
 void AudioRendererMixer::AddMixerInput(AudioConverter::InputCallback* input,
                                        const base::Closure& error_cb) {
   base::AutoLock auto_lock(mixer_inputs_lock_);
 
   if (!playing_) {
     playing_ = true;
-    last_play_time_ = base::Time::Now();
+    last_play_time_ = base::TimeTicks::Now();
     audio_sink_->Play();
   }
 
   DCHECK(mixer_inputs_.find(input) == mixer_inputs_.end());
   mixer_inputs_[input] = error_cb;
   audio_converter_.AddInput(input);
 }
 
 void AudioRendererMixer::RemoveMixerInput(
     AudioConverter::InputCallback* input) {
   base::AutoLock auto_lock(mixer_inputs_lock_);
   audio_converter_.RemoveInput(input);
 
   DCHECK(mixer_inputs_.find(input) != mixer_inputs_.end());
   mixer_inputs_.erase(input);
 }
 
 int AudioRendererMixer::Render(AudioBus* audio_bus,
                                int audio_delay_milliseconds) {
   base::AutoLock auto_lock(mixer_inputs_lock_);
 
   // If there are no mixer inputs and we haven't seen one for a while, pause the
   // sink to avoid wasting resources when media elements are present but remain
   // in the pause state.
-  base::Time now = base::Time::Now();
+  const base::TimeTicks now = base::TimeTicks::Now();
   if (!mixer_inputs_.empty()) {
     last_play_time_ = now;
   } else if (now - last_play_time_ >= pause_delay_ && playing_) {
     audio_sink_->Pause();
     playing_ = false;
   }
 
   audio_converter_.ConvertWithDelay(
       base::TimeDelta::FromMilliseconds(audio_delay_milliseconds), audio_bus);
   return audio_bus->frames();
 }
 
 void AudioRendererMixer::OnRenderError() {
   base::AutoLock auto_lock(mixer_inputs_lock_);
 
   // Call each mixer input and signal an error.
   for (AudioRendererMixerInputSet::iterator it = mixer_inputs_.begin();
        it != mixer_inputs_.end(); ++it) {
     it->second.Run();
   }
 }
 
 }  // namespace media