Fixing formatting of dart:html's dart2js annotations.

tools/dom/templates/html/dartium/impl_KeyboardEvent.darttemplate

Index: tools/dom/templates/html/dartium/impl_KeyboardEvent.darttemplate
diff --git a/tools/dom/templates/html/dartium/impl_KeyboardEvent.darttemplate b/tools/dom/templates/html/dartium/impl_KeyboardEvent.darttemplate
index d438f09aa3ca81730b8391c5f7f82cd5dda0c1c0..ff542eb7078326cfaaf971162c07e24c26502d10 100644
--- a/tools/dom/templates/html/dartium/impl_KeyboardEvent.darttemplate
+++ b/tools/dom/templates/html/dartium/impl_KeyboardEvent.darttemplate
@@ -1,13 +1,13 @@
 // 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 $LIBRARYNAME;
 
 
-@DomName('KeyboardEvent')
-class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
+$(ANNOTATIONS)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
 
   factory $CLASSNAME(String type, Window view,
-      [bool canBubble = true, bool cancelable = true, 
+      [bool canBubble = true, bool cancelable = true,
       String keyIdentifier = "", int keyLocation = 1, bool ctrlKey = false,
       bool altKey = false, bool shiftKey = false, bool metaKey = false,
       bool altGraphKey = false]) {
@@ -19,7 +19,7 @@ class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
 
   @DomName('KeyboardEvent.keyCode')
   int get keyCode => $dom_keyCode;
-  
+
   @DomName('KeyboardEvent.charCode')
   int get charCode => $dom_charCode;
 $!MEMBERS