Add missing methods to WebRtcAudioDeviceNotImpl.

content/renderer/media/webrtc_audio_device_not_impl.cc

Index: content/renderer/media/webrtc_audio_device_not_impl.cc
diff --git a/content/renderer/media/webrtc_audio_device_not_impl.cc b/content/renderer/media/webrtc_audio_device_not_impl.cc
index a86fca0cdeee0cb7147f7b4bd794714142b5a6ab..5b31dd81207042b44c6fd7cc678cc871dedcc658 100644
--- a/content/renderer/media/webrtc_audio_device_not_impl.cc
+++ b/content/renderer/media/webrtc_audio_device_not_impl.cc
@@ -270,4 +270,32 @@ int32_t WebRtcAudioDeviceNotImpl::EnableBuiltInAEC(bool enable) {
   return 0;

[perkj_chrome, 2016/08/15 05:23:10]

NOTREACHED()
return 0? 

[Max Morin, 2016/08/15 07:13:09]

I'd rather harmonize with the rest of the file, which doesn't have such checks.
Either way, if these methods are accidentally called, simply doing nothing is
better than crashing.

 }
 
+bool WebRtcAudioDeviceNotImpl::BuiltInAGCIsAvailable() const {
+  return false;
+}
+
+int32_t WebRtcAudioDeviceNotImpl::EnableBuiltInAGC(bool enable) {
+  return 0;

[perkj_chrome, 2016/08/15 05:23:10]

NOTREACHED() ? 
return 0;

+}
+
+bool WebRtcAudioDeviceNotImpl::BuiltInNSIsAvailable() const {
+  return false;
+}
+
+int32_t WebRtcAudioDeviceNotImpl::EnableBuiltInNS(bool enable) {
+  return 0;

[perkj_chrome, 2016/08/15 05:23:10]

NOTREACHED() ? 
return 0;

+}
+
+#ifdef(OS_IOS)
+int WebRtcAudioDeviceNotImpl::GetPlayoutAudioParameters(
+    AudioParameters* params) const {
+  return 0;
+}
+
+int WebRtcAudioDeviceNotImpl::GetRecordAudioParameters(
+    AudioParameters* params) const {
+  return 0;
+}
+#endif  // OS_IOS
+
 }  // namespace content