Adding key press detection in the browser process.

content/renderer/media/webrtc_local_audio_renderer.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 "content/renderer/media/webrtc_local_audio_renderer.h"
 
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/synchronization/lock.h"
@@ skipping 37 matching lines @@
 
 void WebRtcLocalAudioRenderer::OnRenderError() {
   NOTIMPLEMENTED();
 }
 
 // content::WebRtcAudioCapturerSink implementation
 void WebRtcLocalAudioRenderer::CaptureData(const int16* audio_data,
                                            int number_of_channels,
                                            int number_of_frames,
                                            int audio_delay_milliseconds,
-                                           double volume) {
+                                           double volume,
+                                           bool key_pressed) {
   TRACE_EVENT0("audio", "WebRtcLocalAudioRenderer::CaptureData");
   base::AutoLock auto_lock(thread_lock_);
 
   if (!playing_)
     return;
 
   // Push captured audio to FIFO so it can be read by a local sink.
   if (loopback_fifo_) {
     if (loopback_fifo_->frames() + number_of_frames <=
         loopback_fifo_->max_frames()) {
@@ skipping 165 matching lines @@
   if (!sink_.get())
     return base::TimeDelta();
   return total_render_time();
 }
 
 bool WebRtcLocalAudioRenderer::IsLocalRenderer() const {
   return true;
 }
 
 }  // namespace content