Get the correct version of ie from the reg database

tools/testing/dart/browser_controller.dart

 // 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.
 library browser;
 
 import "dart:async";
 import "dart:convert" show LineSplitter, UTF8;
 import "dart:core";
 import "dart:io";
 
@@ skipping 446 matching lines @@
   }
 
   String toString() => "Dartium";
 }
 
 class IE extends Browser {
   Future<String> getVersion() {
     var args = ["query",
                 "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Internet Explorer",
                 "/v",
-                "version"];
+                "svcVersion"];
     return Process.run("reg", args).then((result) {
       if (result.exitCode == 0) {
         // The string we get back looks like this:
         // HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer
         //    version    REG_SZ    9.0.8112.16421
         var findString = "REG_SZ";
         var index = result.stdout.indexOf(findString);
         if (index > 0) {
           return result.stdout.substring(index + findString.length).trim();
         }
@@ skipping 975 matching lines @@
     Dart test driver, number of tests: <div id="number"></div><br>
     Currently executing: <div id="currently_executing"></div><br>
     Unhandled error: <div id="unhandled_error"></div>
     <iframe id="embedded_iframe"></iframe>
   </body>
 </html>
 """;
     return driverContent;
   }
 }