Enable Web Audio API by default (no longer needs enable flag).

content/renderer/render_thread.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.
 
 #include "content/renderer/render_thread.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <vector>
@@ skipping 579 matching lines @@
 
   WebRuntimeFeatures::enableIndexedDatabase(
       !command_line.HasSwitch(switches::kDisableIndexedDatabase));
 
   WebRuntimeFeatures::enableGeolocation(
       !command_line.HasSwitch(switches::kDisableGeolocation));
 
   WebKit::WebRuntimeFeatures::enableMediaStream(
     command_line.HasSwitch(switches::kEnableMediaStream));
 
+#if defined(OS_CHROMEOS)
+  // TODO(crogers): enable once Web Audio has been tested and optimized.
+  WebRuntimeFeatures::enableWebAudio(false);
+#else
   WebRuntimeFeatures::enableWebAudio(
-      command_line.HasSwitch(switches::kEnableWebAudio));
+      !command_line.HasSwitch(switches::kDisableWebAudio));
+#endif
 
   WebRuntimeFeatures::enablePushState(true);
 
 #ifdef TOUCH_UI
   WebRuntimeFeatures::enableTouch(true);
 #else
   // TODO(saintlou): in the future touch should always be enabled
   WebRuntimeFeatures::enableTouch(false);
 #endif
 
@@ skipping 68 matching lines @@
 
 void RenderThread::RegisterExtension(v8::Extension* extension) {
   WebScriptController::registerExtension(extension);
   v8_extensions_.insert(extension->name());
 }
 
 bool RenderThread::IsRegisteredExtension(
     const std::string& v8_extension_name) const {
   return v8_extensions_.find(v8_extension_name) != v8_extensions_.end();
 }