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

chrome/app/generated_resources.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!--
 This file contains definitions of resources that will be translated for each
 locale.  The variables is_win, is_macosx, is_linux, and is_posix are available
 for making strings OS specific.  Other platform defines such as use_titlecase
 are declared in build/common.gypi.
 -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
@@ skipping 4188 matching lines @@
       <message name="IDS_FLAGS_IGNORE_GPU_BLACKLIST_DESCRIPTION" desc="Description of the 'Ignore GPU blacklist' lab.">
         Overrides the built-in software rendering list and enables GPU-acceleration on unsupported system configurations.
       </message>
       <message name="IDS_FLAGS_DISABLE_GPU_VSYNC_NAME" desc="Name of the 'Disable GPU VSync' lab.">
         Disable GPU VSync
       </message>
       <message name="IDS_FLAGS_DISABLE_GPU_VSYNC_DESCRIPTION" desc="Description of the 'Disable GPU VSync' lab.">
         Disables synchronization with the display's vertical refresh rate when GPU rendering. This allows frame rates to exceed
         60 hertz. While useful for benchmarking purposes, this also results in visual tearing during rapid screen updates.
       </message>
-      <message name="IDS_FLAGS_WEBAUDIO_NAME" desc="Name of the 'Web Audio' lab.">
-        Web Audio
-      </message>
-      <message name="IDS_FLAGS_WEBAUDIO_DESCRIPTION" desc="Description of the 'Web Audio' lab.">
-        Enables the Web Audio API.
-      </message>
       <message name="IDS_FLAGS_WEBGL_NAME" desc="Name of the 'WebGL' lab.">
         WebGL
       </message>
       <message name="IDS_FLAGS_WEBGL_DESCRIPTION" desc="Description of the 'WebGL' lab.">
         Enables canvas elements to use 3D graphics via the WebGL API.
       </message>
       <message name="IDS_FLAGS_P2P_API_NAME" desc="Name of the 'P2P API' lab.">
         P2P API
       </message>
       <message name="IDS_FLAGS_P2P_API_DESCRIPTION" desc="Description of the 'P2P API' lab.">
@@ skipping 8547 matching lines @@
     </includes>
     <structures fallback_to_english="true">
       <structure name="IDD_CHROME_FRAME_FIND_DIALOG" file="cf_resources.rc" type="dialog" >
       </structure>
       <structure name="IDD_CHROME_FRAME_READY_PROMPT" file="cf_resources.rc" type="dialog" >
       </structure>
     </structures>
 
   </release>
 </grit>