Remove use of deprecated MessageLoop methods in chrome/.

chrome/browser/extensions/extension_disabled_ui.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/extension_disabled_ui.h"
 
 #include <bitset>
 #include <memory>
 #include <string>
 #include <utility>
@@ skipping 438 matching lines @@
   registry_observer_.RemoveAll();
 }
 
 void ExtensionDisabledGlobalError::RemoveGlobalError() {
   GlobalErrorServiceFactory::GetForProfile(service_->profile())
       ->RemoveGlobalError(this);
   registrar_.RemoveAll();
   registry_observer_.RemoveAll();
   // Delete this object after any running tasks, so that the extension dialog
   // still has it as a delegate to finish the current tasks.
-  base::MessageLoop::current()->DeleteSoon(FROM_HERE, this);
+  base::ThreadTaskRunnerHandle::Get()->DeleteSoon(FROM_HERE, this);
 }
 
 // Globals --------------------------------------------------------------------
 
 namespace extensions {
 
 void AddExtensionDisabledErrorWithIcon(base::WeakPtr<ExtensionService> service,
                                        const std::string& extension_id,
                                        bool is_remote_install,
                                        const gfx::Image& icon) {
@@ skipping 27 matching lines @@
                                  content::WebContents* web_contents,
                                  const Extension* extension) {
   std::unique_ptr<ExtensionInstallPrompt> install_ui(
       new ExtensionInstallPrompt(web_contents));
   // This object manages its own lifetime.
   new ExtensionDisabledDialogDelegate(service, std::move(install_ui),
                                       extension);
 }
 
 }  // namespace extensions