Don't use base::MessageLoop::{Quit,QuitClosure} in chrome/

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/message_loop.h"
 #include "base/strings/stringprintf.h"
@@ skipping 99 matching lines @@
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override {
     DCHECK(type == content::NOTIFICATION_DOM_OPERATION_RESPONSE);
     content::Details<std::string> dom_op_result(details);
     // We might receive responses for other script execution, but we only
     // care about the test finished message.
     if (*dom_op_result.ptr() == "\"FINISHED\"") {
       finished_ = true;
       if (waiting_)
-        base::MessageLoopForUI::current()->Quit();
+        base::MessageLoopForUI::current()->QuitWhenIdle();
     }
   }
 
  private:
   bool finished_;
   bool waiting_;
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(TestFinishObserver);
 };
@@ skipping 732 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