Move ui_test_utils::RunMessageLoop to test_utils so that it can be reused by content_browsertests.

chrome/browser/browser_keyevents_browsertest.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 "build/build_config.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/stringprintf.h"
@@ skipping 81 matching lines @@
  public:
   explicit TestFinishObserver(RenderViewHost* render_view_host)
       : finished_(false), waiting_(false) {
     registrar_.Add(this, content::NOTIFICATION_DOM_OPERATION_RESPONSE,
                    content::Source<RenderViewHost>(render_view_host));
   }
 
   bool WaitForFinish() {
     if (!finished_) {
       waiting_ = true;
-      ui_test_utils::RunMessageLoop();
+      content::RunMessageLoop();
       waiting_ = false;
     }
     return finished_;
   }
 
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) {
     DCHECK(type == content::NOTIFICATION_DOM_OPERATION_RESPONSE);
     content::Details<DomOperationNotificationDetails> dom_op_details(details);
@@ skipping 769 matching lines @@
   EXPECT_NO_FATAL_FAILURE(TestKeyEvent(tab_index, kTestAltKeySuppress));
   ASSERT_TRUE(IsViewFocused(VIEW_ID_TAB_CONTAINER));
 
   // Ctrl+Alt should have no effect.
   EXPECT_NO_FATAL_FAILURE(TestKeyEvent(tab_index, kTestCtrlAltKey));
   ASSERT_TRUE(IsViewFocused(VIEW_ID_TAB_CONTAINER));
 }
 #endif
 
 }  // namespace