Implementation of 'AudioContext.getOutputTimestamp' method

content/browser/renderer_host/media/audio_sync_reader.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_SYNC_READER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_SYNC_READER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 21 matching lines @@
 // transmitting audio packets between the browser process and the renderer
 // process.
 class AudioSyncReader : public media::AudioOutputController::SyncReader {
  public:
   AudioSyncReader(base::SharedMemory* shared_memory,
                   const media::AudioParameters& params);
 
   ~AudioSyncReader() override;
 
   // media::AudioOutputController::SyncReader implementations.
-  void UpdatePendingBytes(uint32_t bytes, uint32_t frames_skipped) override;
+  void UpdatePendingBytes(
+      uint32_t bytes,
+      uint32_t frames_skipped,
+      const media::AudioTimestamp& timestamp) override;
   void Read(media::AudioBus* dest) override;
   void Close() override;
 
   bool Init();
   bool PrepareForeignSocket(base::ProcessHandle process_handle,
                             base::SyncSocket::TransitDescriptor* descriptor);
 
  private:
   // Blocks until data is ready for reading or a timeout expires.  Returns false
   // if an error or timeout occurs.
@@ skipping 31 matching lines @@
   // The index of the audio buffer we're expecting to be sent from the renderer;
   // used to block with timeout for audio data.
   uint32_t buffer_index_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioSyncReader);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_SYNC_READER_H_