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

chrome/browser/extensions/crx_installer_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 "chrome/browser/extensions/crx_installer.h"
 
 #include "base/at_exit.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 98 matching lines @@
 
   // Overriding some of the ExtensionInstallUI API.
   void ConfirmInstall(Delegate* delegate,
                       const Extension* extension,
                       const ShowDialogCallback& show_dialog_callback) override {
     proxy_->set_confirmation_requested();
     delegate->InstallUIProceed();
   }
   void OnInstallSuccess(const Extension* extension, SkBitmap* icon) override {
     proxy_->set_extension_id(extension->id());
-    base::MessageLoopForUI::current()->Quit();
+    base::MessageLoopForUI::current()->QuitWhenIdle();
   }
   void OnInstallFailure(const CrxInstallError& error) override {
     proxy_->set_error(error.message());
-    base::MessageLoopForUI::current()->Quit();
+    base::MessageLoopForUI::current()->QuitWhenIdle();
   }
 
  private:
   scoped_refptr<MockPromptProxy> proxy_;
 };
 
 MockPromptProxy::MockPromptProxy(content::WebContents* web_contents)
     : web_contents_(web_contents), confirmation_requested_(false) {
 }
 
@@ skipping 457 matching lines @@
   ManagementPolicyMock policy;
   extensions::ExtensionSystem::Get(profile())
       ->management_policy()
       ->RegisterProvider(&policy);
 
   base::FilePath crx_path = test_data_dir_.AppendASCII("crx_installer/v1.crx");
   EXPECT_FALSE(InstallExtension(crx_path, 0));
 }
 
 }  // namespace extensions