Remove use of deprecated MessageLoop methods in chrome/.

chrome/browser/extensions/extension_action_runner.cc

 // Copyright 2014 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_action_runner.h"
 
 #include <memory>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
+#include "base/location.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/histogram.h"
+#include "base/single_thread_task_runner.h"
 #include "base/stl_util.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "chrome/browser/extensions/active_tab_permission_granter.h"
 #include "chrome/browser/extensions/api/extension_action/extension_action_api.h"
 #include "chrome/browser/extensions/extension_action.h"
 #include "chrome/browser/extensions/extension_action_manager.h"
 #include "chrome/browser/extensions/permissions_updater.h"
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/session_tab_helper.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_window.h"
@@ skipping 318 matching lines @@
 void ExtensionActionRunner::ShowBlockedActionBubble(
     const Extension* extension) {
   Browser* browser = chrome::FindBrowserWithWebContents(web_contents());
   ToolbarActionsBar* toolbar_actions_bar =
       browser ? browser->window()->GetToolbarActionsBar() : nullptr;
   if (toolbar_actions_bar) {
     auto callback =
         base::Bind(&ExtensionActionRunner::OnBlockedActionBubbleClosed,
                    weak_factory_.GetWeakPtr(), extension->id());
     if (default_bubble_close_action_for_testing_) {
-      base::MessageLoop::current()->PostTask(
+      base::ThreadTaskRunnerHandle::Get()->PostTask(
           FROM_HERE,
           base::Bind(callback, *default_bubble_close_action_for_testing_));
     } else {
       toolbar_actions_bar->ShowToolbarActionBubble(base::WrapUnique(
           new BlockedActionBubbleDelegate(callback, extension->id())));
     }
   }
 }
 
 void ExtensionActionRunner::OnBlockedActionBubbleClosed(
@@ skipping 52 matching lines @@
     UnloadedExtensionInfo::Reason reason) {
   PendingScriptMap::iterator iter = pending_scripts_.find(extension->id());
   if (iter != pending_scripts_.end()) {
     pending_scripts_.erase(iter);
     ExtensionActionAPI::Get(browser_context_)
         ->NotifyPageActionsChanged(web_contents());
   }
 }
 
 }  // namespace extensions