Change audio renderer to communicate with host using low latency codepath.

content/browser/renderer_host/browser_render_process_host.cc

 // Copyright (c) 2011 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/browser_render_process_host.h"
 
 #include <algorithm>
@@ skipping 549 matching lines @@
     switches::kEnableWebAudio,
     switches::kFullMemoryCrashReport,
 #if !defined (GOOGLE_CHROME_BUILD)
     // These are unsupported and not fully tested modes, so don't enable them
     // for official Google Chrome builds.
     switches::kInProcessPlugins,
 #endif  // GOOGLE_CHROME_BUILD
     switches::kInProcessWebGL,
     switches::kJavaScriptFlags,
     switches::kLoggingLevel,
+    switches::kLowLatencyAudio,
     switches::kNoJsRandomness,
     switches::kNoReferrers,
     switches::kNoSandbox,
     switches::kPlaybackMode,
     switches::kPpapiOutOfProcess,
     switches::kRecordMode,
     switches::kRegisterPepperPlugins,
     switches::kRendererAssertTest,
 #if !defined(OFFICIAL_BUILD)
     switches::kRendererCheckFalseTest,
@@ skipping 337 matching lines @@
 void BrowserRenderProcessHost::OnUserMetricsRecordAction(
     const std::string& action) {
   UserMetrics::RecordComputedAction(action);
 }
 
 void BrowserRenderProcessHost::OnRevealFolderInOS(const FilePath& path) {
   // Only honor the request if appropriate persmissions are granted.
   if (ChildProcessSecurityPolicy::GetInstance()->CanReadFile(id(), path))
     content::GetContentClient()->browser()->RevealFolderInOS(path);
 }