Fixing up DOM constructors.

tools/dom/templates/html/impl/impl_StorageInfo.darttemplate

 // Copyright (c) 2013, 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 $LIBRARYNAME;
 
-$(ANNOTATIONS)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
+$(ANNOTATIONS)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
 $!MEMBERS
   Future<StorageInfoUsage> queryUsageAndQuota(int storageType) {
     var completer = new Completer<StorageInfoUsage>();
     _queryUsageAndQuota(storageType,
-        (currentUsageInBytes, currentQuotaInBytes) { 
-          completer.complete(new StorageInfoUsage(currentUsageInBytes, 
+        (currentUsageInBytes, currentQuotaInBytes) {
+          completer.complete(new StorageInfoUsage(currentUsageInBytes,
               currentQuotaInBytes));
         },
         (error) { completer.completeError(error); });
     return completer.future;
   }
 }
 
-/** 
+/**
  * A simple container class for the two values that are returned from the
  * futures in requestQuota and queryUsageAndQuota.
  */
 class StorageInfoUsage {
   final int currentUsageInBytes;
   final int currentQuotaInBytes;
   const StorageInfoUsage(this.currentUsageInBytes, this.currentQuotaInBytes);
 }