move the APM to chrome.

content/renderer/media/webrtc_local_audio_source_provider.cc

Index: content/renderer/media/webrtc_local_audio_source_provider.cc
diff --git a/content/renderer/media/webrtc_local_audio_source_provider.cc b/content/renderer/media/webrtc_local_audio_source_provider.cc
index cc70c785a97fd8b783496a356d3d435c42856ecb..7a9c6b6009a7b4f51457241c882cf43a69031ac8 100644
--- a/content/renderer/media/webrtc_local_audio_source_provider.cc
+++ b/content/renderer/media/webrtc_local_audio_source_provider.cc
@@ -68,16 +68,17 @@ void WebRtcLocalAudioSourceProvider::Initialize(
 }
 
 void WebRtcLocalAudioSourceProvider::DeliverData(
-    media::AudioBus* audio_source,
-    int audio_delay_milliseconds,
-    int volume,
-    bool key_pressed) {
+    const int16* data,
+    int sample_rate,
+    int number_of_channels,
+    int number_of_frames) {
   base::AutoLock auto_lock(lock_);
   if (!is_enabled_)
     return;
 
   DCHECK(fifo_.get());
-
+  // TODO(xians): FIXME.
+/*
   if (fifo_->frames() + audio_source->frames() <= fifo_->max_frames()) {
     fifo_->Push(audio_source);
   } else {
@@ -90,7 +91,7 @@ void WebRtcLocalAudioSourceProvider::DeliverData(
   last_fill_ = base::TimeTicks::Now();
   audio_delay_ms_ = audio_delay_milliseconds;
   volume_ = volume;
-  key_pressed_ = key_pressed;
+  key_pressed_ = key_pressed;*/
 }
 
 void WebRtcLocalAudioSourceProvider::GetAudioProcessingParams(