Remove "high"-latency audio code path

content/renderer/pepper_plugin_delegate_impl.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/pepper_plugin_delegate_impl.h"
 
 #include <cmath>
 #include <queue>
 
 #include "base/bind.h"
@@ skipping 266 matching lines @@
   // Called on the main thread to stop all audio callbacks. We must only change
   // the client on the main thread, and the delegates from the I/O thread.
   client_ = NULL;
   ChildProcess::current()->io_message_loop()->PostTask(
       FROM_HERE,
       base::Bind(&PlatformAudioImpl::ShutDownOnIOThread, this));
 }
 
 void PlatformAudioImpl::InitializeOnIOThread(const AudioParameters& params) {
   stream_id_ = filter_->AddDelegate(this);
-  filter_->Send(new AudioHostMsg_CreateStream(stream_id_, params, true));
+  filter_->Send(new AudioHostMsg_CreateStream(stream_id_, params));
 }
 
 void PlatformAudioImpl::StartPlaybackOnIOThread() {
   if (stream_id_)
     filter_->Send(new AudioHostMsg_PlayStream(stream_id_));
 }
 
 void PlatformAudioImpl::StopPlaybackOnIOThread() {
   if (stream_id_)
     filter_->Send(new AudioHostMsg_PauseStream(stream_id_));
@@ skipping 1865 matching lines @@
 
 bool PepperPluginDelegateImpl::CanUseSocketAPIs() {
   WebView* webview = render_view_->webview();
   WebFrame* main_frame = webview ? webview->mainFrame() : NULL;
   GURL url(main_frame ? GURL(main_frame->document().url()) : GURL());
   if (!url.is_valid())
     return false;
 
   return content::GetContentClient()->renderer()->AllowSocketAPI(url);
 }