Attempting to remove ArrayBufferView.buffer penalty.

tools/dom/scripts/generator.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 for systems to generate
 Dart APIs from the IDL database."""
 
 import copy
 import json
@@ skipping 535 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('generator.dart2js_annotations', {
 
+    'ArrayBuffer': [
+      "@Creates('ArrayBuffer')",
+      "@Returns('ArrayBuffer|Null')",
+    ],
+
+    'ArrayBufferView': [
+      "@Creates('ArrayBufferView')",
+      "@Returns('ArrayBufferView|Null')",
+    ],
+
     'CanvasRenderingContext2D.createImageData': [
       "@Creates('ImageData|=Object')",
     ],
 
     'CanvasRenderingContext2D.getImageData': [
       "@Creates('ImageData|=Object')",
     ],
 
     'CanvasRenderingContext2D.webkitGetImageDataHD': [
       "@Creates('ImageData|=Object')",
@@ skipping 38 matching lines @@
       "@Creates('Node')",
       "@Returns('EventTarget|=Object')",
     ],
 
     # Touch targets are Elements in a Document, or the Document.
     'Touch.target': [
       "@Creates('Element|Document')",
       "@Returns('Element|Document')",
     ],
 
-
     'FileReader.result': ["@Creates('String|ArrayBuffer|Null')"],
 
     # Rather than have the result of an IDBRequest as a union over all possible
     # results, we mark the result as instantiating any classes, and mark
     # each operation with the classes that it could cause to be asynchronously
     # instantiated.
     'IDBRequest.result': ["@Creates('Null')"],
 
     # The source is usually a participant in the operation that generated the
     # IDBRequest.
@@ skipping 931 matching lines @@
                                   self)
 
     if type_data.clazz == 'SVGTearOff':
       dart_interface_name = self._renamer.RenameInterface(
           self._database.GetInterface(type_name))
       return SVGTearOffIDLTypeInfo(
           type_name, type_data, dart_interface_name, self)
 
     class_name = '%sIDLTypeInfo' % type_data.clazz
     return globals()[class_name](type_name, type_data)