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

chrome/browser/extensions/extension_icon_manager_unittest.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 "base/json/json_file_value_serializer.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/extension_icon_manager.h"
 #include "chrome/common/chrome_paths.h"
@@ skipping 17 matching lines @@
       waiting_(false),
       ui_thread_(BrowserThread::UI, &ui_loop_),
       file_thread_(BrowserThread::FILE),
       io_thread_(BrowserThread::IO) {}
 
   ~ExtensionIconManagerTest() override {}
 
   void ImageLoadObserved() {
     unwaited_image_loads_++;
     if (waiting_) {
-      base::MessageLoop::current()->Quit();
+      base::MessageLoop::current()->QuitWhenIdle();
     }
   }
 
   void WaitForImageLoad() {
     if (unwaited_image_loads_ == 0) {
       waiting_ = true;
       base::MessageLoop::current()->Run();
       waiting_ = false;
     }
     ASSERT_GT(unwaited_image_loads_, 0);
@@ skipping 127 matching lines @@
   // Now re-load the icon - we should get the same result bitmap (and not the
   // default icon).
   icon_manager.LoadIcon(profile.get(), extension.get());
   WaitForImageLoad();
   SkBitmap second_icon = icon_manager.GetIcon(extension->id());
   EXPECT_FALSE(gfx::BitmapsAreEqual(second_icon, default_icon));
 
   EXPECT_TRUE(gfx::BitmapsAreEqual(first_icon, second_icon));
 }
 #endif