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 34 matching lines @@
 
   return audio_bus->frames();
 }
 
 void WebRtcLocalAudioRenderer::OnRenderError() {
   NOTIMPLEMENTED();
 }
 
 // content::WebRtcAudioCapturerSink implementation
 int WebRtcLocalAudioRenderer::CaptureData(const std::vector<int>& channels,
-                                           const int16* audio_data,
-                                           int sample_rate,
-                                           int number_of_channels,
-                                           int number_of_frames,
-                                           int audio_delay_milliseconds,
-                                           int current_volume,
-                                           bool need_audio_processing) {
+                                          const int16* audio_data,
+                                          int sample_rate,
+                                          int number_of_channels,
+                                          int number_of_frames,
+                                          int audio_delay_milliseconds,
+                                          int current_volume,
+                                          bool need_audio_processing,
+                                          bool key_pressed) {
   TRACE_EVENT0("audio", "WebRtcLocalAudioRenderer::CaptureData");
   base::AutoLock auto_lock(thread_lock_);
 
   if (!playing_)
     return 0;
 
   // 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 167 matching lines @@
   if (!sink_.get())
     return base::TimeDelta();
   return total_render_time();
 }
 
 bool WebRtcLocalAudioRenderer::IsLocalRenderer() const {
   return true;
 }
 
 }  // namespace content