Fix flake in chrome_frame_net_tests due to improper use of IE configurator.

chrome_frame/test/ie_configurator.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome_frame/test/ie_configurator.h"
 
 #include <windows.h>
 #include <objbase.h>
 
 #include <ios>
@@ skipping 443 matching lines @@
 
 IEConfigurator::~IEConfigurator() {
 }
 
 IEConfigurator* CreateConfigurator() {
   IEConfigurator* configurator = NULL;
 
   switch (GetInstalledIEVersion()) {
     case IE_7:
       configurator = new IE7Configurator();
+      break;
     case IE_9:
       configurator = new IE9Configurator();
       break;
     default:
       break;
   }
 
   return configurator;
 }
 
 void InstallIEConfigurator() {
   IEConfigurator* configurator = CreateConfigurator();
 
   if (configurator != NULL) {
     testing::UnitTest::GetInstance()->listeners().Append(
         new ConfiguratorDriver(configurator));
   }
 }
 
 }  // namespace chrome_frame_test