Revert "Add @JSName annotation for native fields and methods."

sdk/lib/html/templates/html/dart2js/impl_LocalWindow.darttemplate

 // 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.
 
 part of html;
 
 /// @domName $DOMNAME
 class $CLASSNAME$EXTENDS$IMPLEMENTS native "@*DOMWindow" {
 
   Document get document => JS('Document', '#.document', this);
@@ skipping 40 matching lines @@
 
   _LocationWrapper _location_wrapper;  // Cached wrapped Location object.
 
   // Native getter and setter to access raw Location object.
   Location get _location => JS('Location', '#.location', this);
   void set _location(Location value) {
     JS('void', '#.location = #', this, value);
   }
   // Prevent compiled from thinking 'location' property is available for a Dart
   // member.
-  @JSName('location')
-  _protect_location() native;
+  _protect_location() native 'location';
 
   static _isDartLocation(thing) {
     // On Firefox the code that implements 'is Location' fails to find the patch
     // stub on Object.prototype and throws an exception.
     try {
       return thing is Location;
     } catch (e) {
       return false;
     }
   }
@@ skipping 11 matching lines @@
   int requestAnimationFrame(RequestAnimationFrameCallback callback) {
     _ensureRequestAnimationFrame();
     return _requestAnimationFrame(callback);
   }
 
   void cancelAnimationFrame(id) {
     _ensureRequestAnimationFrame();
     _cancelAnimationFrame(id);
   }
 
-  @JSName('requestAnimationFrame')
-  int _requestAnimationFrame(RequestAnimationFrameCallback callback) native;
+  int _requestAnimationFrame(RequestAnimationFrameCallback callback)
+      native 'requestAnimationFrame';
 
-  @JSName('cancelAnimationFrame')
-  void _cancelAnimationFrame(int id) native;
+  void _cancelAnimationFrame(int id)
+      native 'cancelAnimationFrame';
 
   _ensureRequestAnimationFrame() {
     if (JS('bool',
            '!!(#.requestAnimationFrame && #.cancelAnimationFrame)', this, this))
       return;
 
     JS('void',
        r"""
   (function($this) {
    var vendors = ['ms', 'moz', 'webkit', 'o'];
@@ skipping 33 matching lines @@
    * port may be retrieved by any isolate (or JavaScript script)
    * running in this window.
    */
   void registerPort(String name, var port) {
     var serialized = _serialize(port);
     document.documentElement.attributes['dart-port:$name'] = JSON.stringify(serialized);
   }
 
 $!MEMBERS
 }