Implementation of 'AudioContext.getOutputTimestamp' method

media/base/audio_renderer_sink.cc

Index: media/base/audio_renderer_sink.cc
diff --git a/media/base/audio_renderer_sink.cc b/media/base/audio_renderer_sink.cc
new file mode 100644
index 0000000000000000000000000000000000000000..1ad2a87a1b524d05b053295e3d756b5866265227
--- /dev/null
+++ b/media/base/audio_renderer_sink.cc
@@ -0,0 +1,23 @@
+// Copyright (c) 2016 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_sink.h"
+
+namespace media {
+
+int AudioRendererSink::RenderCallback::Render(AudioBus* dest,
+                                              uint32_t audio_delay_milliseconds,
+                                              uint32_t frames_skipped) {
+  return 0;
+}
+
+int AudioRendererSink::RenderCallback::Render(
+    AudioBus* dest,
+    uint32_t audio_delay_milliseconds,
+    uint32_t frames_skipped,
+    const AudioTimestamp& output_timestamp) {
+  return Render(dest, audio_delay_milliseconds, frames_skipped);
+}
+
+}  // namespace media