Adding key press detection in the browser process.

content/renderer/media/webrtc_audio_device_impl.cc

Index: content/renderer/media/webrtc_audio_device_impl.cc
diff --git a/content/renderer/media/webrtc_audio_device_impl.cc b/content/renderer/media/webrtc_audio_device_impl.cc
index 2672a2701d96e2d70b9b614b9e62e4cf954663b2..dab0afb8e79ec764cf54b59c3fa198c4e8bc4dee 100644
--- a/content/renderer/media/webrtc_audio_device_impl.cc
+++ b/content/renderer/media/webrtc_audio_device_impl.cc
@@ -63,7 +63,8 @@ void WebRtcAudioDeviceImpl::CaptureData(const int16* audio_data,
                                         int number_of_channels,
                                         int number_of_frames,
                                         int audio_delay_milliseconds,
-                                        double volume) {
+                                        double volume,
+                                        bool key_pressed) {
   DCHECK_LE(number_of_frames, input_buffer_size());
 #if defined(OS_WIN) || defined(OS_MACOSX)
   DCHECK_LE(volume, 1.0);
@@ -112,8 +113,6 @@ void WebRtcAudioDeviceImpl::CaptureData(const int16* audio_data,
   // Write audio samples in blocks of 10 milliseconds to the registered
   // webrtc::AudioTransport sink. Keep writing until our internal byte
   // buffer is empty.
-  // TODO(niklase): Wire up the key press detection.
-  bool key_pressed = false;
   while (accumulated_audio_samples < number_of_frames) {
     // Deliver 10ms of recorded 16-bit linear PCM audio.
     audio_transport_callback_->RecordedDataIsAvailable(