Adding IE support to browser prefixes.

lib/dom/templates/html/impl/impl_CSSStyleDeclaration.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.
 
 String _cachedBrowserPrefix;
 
 String get _browserPrefix() {
   if (_cachedBrowserPrefix === null) {
     if (_Device.isFirefox) {
       _cachedBrowserPrefix = '-moz-';
+    } else if (_Device.isIE) {
+      _cachedBrowserPrefix = '-ms-';
+    } else if (_Device.isOpera) {
+      _cachedBrowserPrefix = '-o-';
     } else {
       _cachedBrowserPrefix = '-webkit-';
     }
-    // TODO(jacobr): support IE 9.0 and Opera as well.
   }
   return _cachedBrowserPrefix;
 }
 
 class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
 
 $!MEMBERS
 
   // TODO(jacobr): generate this list of properties using the existing script.
     /** Gets the value of "animation" */
@@ skipping 2752 matching lines @@
 
   /** Gets the value of "zoom" */
   String get zoom() =>
     getPropertyValue('zoom');
 
   /** Sets the value of "zoom" */
   void set zoom(var value) {
     setProperty('zoom', value, '');
   }
 }