Update supported browser annotations for Firefox Web Audio.

tools/dom/scripts/dartmetadata.py

 #!/usr/bin/python
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 """This module provides shared functionality to provide Dart metadata for
 DOM APIs.
 """
 
 import copy
@@ skipping 409 matching lines @@
   "@SupportedBrowser(SupportedBrowser.SAFARI)",
   "@Experimental()",
 ]
 
 _webgl_annotations = [
   "@SupportedBrowser(SupportedBrowser.CHROME)",
   "@SupportedBrowser(SupportedBrowser.FIREFOX)",
   "@Experimental()",
 ]
 
+_web_audio_annotations = _webgl_annotations
+
 _webkit_experimental_annotations = [
   "@SupportedBrowser(SupportedBrowser.CHROME)",
   "@SupportedBrowser(SupportedBrowser.SAFARI)",
   "@Experimental()",
 ]
 
 # Annotations to be placed on generated members.
 # The table is indexed as:
 #   INTERFACE:     annotations to be added to the interface declaration
 #   INTERFACE.MEMBER: annotation to be added to the member declaration
 _annotations = monitored.Dict('dartmetadata._annotations', {
   'CSSHostRule': _shadow_dom_annotations,
   'WebKitCSSMatrix': _webkit_experimental_annotations,
   'Crypto': _webkit_experimental_annotations,
   'Database': _web_sql_annotations,
   'DatabaseSync': _web_sql_annotations,
   'ApplicationCache': [
     "@SupportedBrowser(SupportedBrowser.CHROME)",
     "@SupportedBrowser(SupportedBrowser.FIREFOX)",
     "@SupportedBrowser(SupportedBrowser.IE, '10')",
     "@SupportedBrowser(SupportedBrowser.OPERA)",
     "@SupportedBrowser(SupportedBrowser.SAFARI)",
   ],
+  'AudioBufferSourceNode': _web_audio_annotations,
+  'AudioContext': _web_audio_annotations,
   'DOMFileSystem': _file_system_annotations,
   'DOMFileSystemSync': _file_system_annotations,
   'WebKitPoint': _webkit_experimental_annotations,
   'Window.webkitConvertPointFromNodeToPage': _webkit_experimental_annotations,
   'Window.webkitConvertPointFromPageToNode': _webkit_experimental_annotations,
   'Window.indexedDB': _indexed_db_annotations,
   'Window.openDatabase': _web_sql_annotations,
   'Window.performance': _performance_annotations,
   'Window.webkitNotifications': _webkit_experimental_annotations,
   'Window.webkitRequestFileSystem': _file_system_annotations,
@@ skipping 356 matching lines @@
       pass
     else:
       _logger.warn('Unknown support_level - %s:%s' % (interface_id, member_id))
 
     return annotations
 
   def Flush(self):
     json_file = open(self._api_status_path, 'w+')
     json.dump(self._types, json_file, indent=2, separators=(',', ': '), sort_keys=True)
     json_file.close()