| Index: media/audio/simple_sources.cc | 
| diff --git a/media/audio/simple_sources.cc b/media/audio/simple_sources.cc | 
| index fde0509d979f0dc24aa45a062620d7583425738b..157e9bc0f3c30c45cd22ec410f82a12bb2c555c8 100644 | 
| --- a/media/audio/simple_sources.cc | 
| +++ b/media/audio/simple_sources.cc | 
| @@ -14,6 +14,7 @@ | 
| #include "base/files/file.h" | 
| #include "base/lazy_instance.h" | 
| #include "base/logging.h" | 
| +#include "base/time/time.h" | 
| #include "media/audio/sounds/wav_audio_handler.h" | 
| #include "media/base/audio_bus.h" | 
|  | 
| @@ -117,6 +118,7 @@ SineWaveAudioSource::~SineWaveAudioSource() { | 
| // but it is efficient enough for our simple needs. | 
| int SineWaveAudioSource::OnMoreData(AudioBus* audio_bus, | 
| uint32_t total_bytes_delay, | 
| +                                    base::TimeDelta delay_timestamp, | 
| uint32_t frames_skipped) { | 
| base::AutoLock auto_lock(time_lock_); | 
| callbacks_++; | 
| @@ -203,6 +205,7 @@ void FileSource::LoadWavFile(const base::FilePath& path_to_wav_file) { | 
|  | 
| int FileSource::OnMoreData(AudioBus* audio_bus, | 
| uint32_t total_bytes_delay, | 
| +                           base::TimeDelta delay_timestamp, | 
| uint32_t frames_skipped) { | 
| // Load the file if we haven't already. This load needs to happen on the | 
| // audio thread, otherwise we'll run on the UI thread on Mac for instance. | 
| @@ -260,6 +263,7 @@ BeepingSource::~BeepingSource() { | 
|  | 
| int BeepingSource::OnMoreData(AudioBus* audio_bus, | 
| uint32_t total_bytes_delay, | 
| +                              base::TimeDelta delay_timestamp, | 
| uint32_t frames_skipped) { | 
| // Accumulate the time from the last beep. | 
| interval_from_last_beep_ += base::TimeTicks::Now() - last_callback_time_; | 
|  |