Remove dependence on internal native_typed_data and malformed type as a result

sdk/lib/html/html_common/conversions.dart

 // 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.
 
 
 // Conversions for IDBKey.
 //
 // Per http://www.w3.org/TR/IndexedDB/#key-construct
 //
 // "A value is said to be a valid key if it is one of the following types: Array
@@ skipping 286 matching lines @@
       JS('var', '#.premultipliedAlpha', nativeContextAttributes),
       JS('var', '#.preserveDrawingBuffer', nativeContextAttributes),
       JS('var', '#.stencil', nativeContextAttributes));
 }
 
 // Conversions for ImageData
 //
 // On Firefox, the returned ImageData is a plain object.
 
 class _TypedImageData implements ImageData {
-  final NativeUint8ClampedList data;
+  final Uint8ClampedList data;
   final int height;
   final int width;
 
   _TypedImageData(this.data, this.height, this.width);
 }
 
 ImageData convertNativeToDart_ImageData(nativeImageData) {
 
   // None of the native getters that return ImageData are declared as returning
   // [ImageData] since that is incorrect for FireFox, which returns a plain
@@ skipping 42 matching lines @@
 const String _serializedScriptValue =
     'num|String|bool|'
     'JSExtendableArray|=Object|'
     'Blob|File|NativeByteBuffer|NativeTypedData'
     // TODO(sra): Add Date, RegExp.
     ;
 const annotation_Creates_SerializedScriptValue =
     const Creates(_serializedScriptValue);
 const annotation_Returns_SerializedScriptValue =
     const Returns(_serializedScriptValue);