Remove "high"-latency audio code path

content/renderer/media/audio_message_filter.cc

Index: content/renderer/media/audio_message_filter.cc
diff --git a/content/renderer/media/audio_message_filter.cc b/content/renderer/media/audio_message_filter.cc
index 93e1529d80a9fb990df3d6181b44a8e900fe148f..b11cf43faaa7688b3ab54b329bc8ecaf51f9f41c 100644
--- a/content/renderer/media/audio_message_filter.cc
+++ b/content/renderer/media/audio_message_filter.cc
@@ -42,8 +42,6 @@ bool AudioMessageFilter::Send(IPC::Message* message) {
 bool AudioMessageFilter::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(AudioMessageFilter, message)
-    IPC_MESSAGE_HANDLER(AudioMsg_RequestPacket, OnRequestPacket)
-    IPC_MESSAGE_HANDLER(AudioMsg_NotifyStreamCreated, OnStreamCreated)
     IPC_MESSAGE_HANDLER(AudioMsg_NotifyLowLatencyStreamCreated,
                         OnLowLatencyStreamCreated)
     IPC_MESSAGE_HANDLER(AudioMsg_NotifyStreamStateChanged, OnStreamStateChanged)
@@ -67,30 +65,6 @@ void AudioMessageFilter::OnChannelClosing() {
   channel_ = NULL;
 }
 
-void AudioMessageFilter::OnRequestPacket(int stream_id,
-                                         AudioBuffersState buffers_state) {
-  Delegate* delegate = delegates_.Lookup(stream_id);
-  if (!delegate) {
-    DLOG(WARNING) << "Got audio packet request for a non-existent or removed"
-        " audio renderer.";
-    return;
-  }
-
-  delegate->OnRequestPacket(buffers_state);
-}
-
-void AudioMessageFilter::OnStreamCreated(int stream_id,
-                                         base::SharedMemoryHandle handle,
-                                         uint32 length) {
-  Delegate* delegate = delegates_.Lookup(stream_id);
-  if (!delegate) {
-    DLOG(WARNING) << "Got audio stream event for a non-existent or removed"
-        " audio renderer.";
-    return;
-  }
-  delegate->OnCreated(handle, length);
-}
-
 void AudioMessageFilter::OnLowLatencyStreamCreated(
     int stream_id,
     base::SharedMemoryHandle handle,