Fixing some dart2js annotation issues in web_gl lib.

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 673 matching lines @@
       "@annotation_Creates_SerializedScriptValue",
       "@annotation_Returns_SerializedScriptValue",
     ],
 
     'SQLResultSetRowList.item': ["@Creates('=Object')"],
 
     'WebGLRenderingContext.getParameter': [
       # Taken from http://www.khronos.org/registry/webgl/specs/latest/
       # Section 5.14.3 Setting and getting state
       "@Creates('Null|num|String|bool|=List|Float32Array|Int32Array|Uint32Array"
-                "|WebGLFramebuffer|WebGLRenderbuffer|WebGLTexture')",
+                "|Framebuffer|Renderbuffer|Texture')",
       "@Returns('Null|num|String|bool|=List|Float32Array|Int32Array|Uint32Array"
-                "|WebGLFramebuffer|WebGLRenderbuffer|WebGLTexture')",
+                "|Framebuffer|Renderbuffer|Texture')",
     ],
 
     'XMLHttpRequest.response': [
       "@Creates('ArrayBuffer|Blob|Document|=Object|=List|String|num')",
     ],
 })
 
 _indexed_db_annotations = [
   "@SupportedBrowser(SupportedBrowser.CHROME)",
   "@SupportedBrowser(SupportedBrowser.FIREFOX, '15')",
@@ skipping 859 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)