Change scripts to avoid generating things that bloat the compiled code

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 11 matching lines @@
 # interface and member name, and by IDL return or field type name.  Both are
 # used to assemble the annotations:
 #
 #   INTERFACE.MEMBER: annotations for member.
 #   +TYPE:            add annotations only if there are member annotations.
 #   -TYPE:            add annotations only if there are no member annotations.
 #   TYPE:             add regardless of member annotations.
 
 _dart2js_annotations = monitored.Dict('dartmetadata._dart2js_annotations', {
 
+    'AnimationEffectTiming.duration': [
+      "@Creates('Null')",
+      "@Returns('num|String')",
+     ],
+
     'ArrayBufferView': [
       "@Creates('TypedData')",
       "@Returns('TypedData|Null')",
     ],
 
     'CanvasRenderingContext2D.createImageData': [
       "@Creates('ImageData|=Object')",
     ],
 
     'CanvasRenderingContext2D.getImageData': [
       "@Creates('ImageData|=Object')",
     ],
 
     'CanvasRenderingContext2D.webkitGetImageDataHD': [
       "@Creates('ImageData|=Object')",
     ],
 
     'CanvasRenderingContext2D.fillStyle': [
       "@Creates('String|CanvasGradient|CanvasPattern')",
       "@Returns('String|CanvasGradient|CanvasPattern')",
     ],
 
     'CanvasRenderingContext2D.strokeStyle': [
       "@Creates('String|CanvasGradient|CanvasPattern')",
       "@Returns('String|CanvasGradient|CanvasPattern')",
     ],
 
+    'CryptoKey.algorithm': [
+      "@Creates('Null')",
+    ],
+
     'CustomEvent._detail': [
       "@Creates('Null')",
     ],
 
     # Normally Window is never null, but starting from a <template> element in
     # JavaScript, this will be null:
     #     template.content.ownerDocument.defaultView
     'Document.window': [
       "@Creates('Window|=Object|Null')",
       "@Returns('Window|=Object|Null')",
@@ skipping 214 matching lines @@
 
     'RTCStatsReport.timestamp': [
       "@Creates('Null')", # JS date object.
     ],
 
     'SerializedScriptValue': [
       "@annotation_Creates_SerializedScriptValue",
       "@annotation_Returns_SerializedScriptValue",
     ],
 
+    'ServiceWorkerMessageEvent.data': [
+      "@annotation_Creates_SerializedScriptValue",
+      "@annotation_Returns_SerializedScriptValue",
+    ],
+
+    'ServiceWorkerMessageEvent.source': [
+      "@Creates('Null')",
+      "@Returns('ServiceWorker|MessagePort')",
+     ],
+
     'ShadowRoot.getElementsByClassName': [
       "@Creates('NodeList|HtmlCollection')",
       "@Returns('NodeList|HtmlCollection')",
     ],
 
     'ShadowRoot.getElementsByName': [
       "@Creates('NodeList|HtmlCollection')",
       "@Returns('NodeList|HtmlCollection')",
     ],
 
     'ShadowRoot.getElementsByTagName': [
       "@Creates('NodeList|HtmlCollection')",
       "@Returns('NodeList|HtmlCollection')",
     ],
 
     'SQLResultSetRowList.item': ["@Creates('=Object')"],
 
     # Touch targets are Elements in a Document, or the Document.
     'Touch.target': [
       "@Creates('Element|Document')",
       "@Returns('Element|Document')",
     ],
 
     'TrackEvent.track': [
       "@Creates('Null')",
     ],
 
+    'VTTCue.line': [
+       "@Returns('num|String')",
+    ],
+
+    'VTTCue.position': [
+       "@Returns('num|String')",
+    ],
+
     'WebGLRenderingContext.getBufferParameter': [
       "@Creates('int|Null')",
       "@Returns('int|Null')",
     ],
 
     'WebGLRenderingContext.getFramebufferAttachmentParameter': [
       "@Creates('int|Renderbuffer|Texture|Null')",
       "@Returns('int|Renderbuffer|Texture|Null')",
     ],
 
@@ skipping 525 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()