Remove remaining calls to deprecated MessageLoop methods on Mac.

chrome/browser/ui/cocoa/app_menu/app_menu_controller.mm

 // Copyright (c) 2011 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.
 
 #import "chrome/browser/ui/cocoa/app_menu/app_menu_controller.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/mac/bundle_locations.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
-#include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/scoped_observer.h"
 #include "base/strings/string16.h"
 #include "base/strings/sys_string_conversions.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "chrome/app/chrome_command_ids.h"
 #import "chrome/browser/app_controller_mac.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #import "chrome/browser/ui/cocoa/accelerators_cocoa.h"
 #import "chrome/browser/ui/cocoa/app_menu/menu_tracked_root_view.h"
 #import "chrome/browser/ui/cocoa/app_menu/recent_tabs_menu_model_delegate.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_menu_bridge.h"
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_menu_cocoa_controller.h"
@@ skipping 107 matching lines @@
   // ToolbarActionsBarObserver:
   void OnToolbarActionsBarDestroyed() override {
     scoped_observer_.RemoveAll();
   }
   void OnToolbarActionsBarDidStartResize() override {
     // No point in having multiple pending update calls.
     weak_ptr_factory_.InvalidateWeakPtrs();
     // Edge case: If the resize is caused by an action being added while the
     // menu is open, we need to wait for both toolbars to be updated. This can
     // happen if a user's data is synced with the menu open.
-    base::MessageLoop::current()->PostTask(
-        FROM_HERE,
-        base::Bind(&ToolbarActionsBarObserverHelper::UpdateSubmenu,
-                   weak_ptr_factory_.GetWeakPtr()));
+    base::ThreadTaskRunnerHandle::Get()->PostTask(
+        FROM_HERE, base::Bind(&ToolbarActionsBarObserverHelper::UpdateSubmenu,
+                              weak_ptr_factory_.GetWeakPtr()));
   }
 
   void UpdateSubmenu() {
     [controller_ updateBrowserActionsSubmenu];
   }
 
   AppMenuController* controller_;
   ScopedObserver<ToolbarActionsBar, ToolbarActionsBarObserver> scoped_observer_;
   base::WeakPtrFactory<ToolbarActionsBarObserverHelper> weak_ptr_factory_;
 
@@ skipping 472 matching lines @@
   // (and thus, after all our ability to adjust it normally). Throw in the
   // towel, and simply don't let the frame move from where it's supposed to be.
   // TODO(devlin): Yet another Cocoa hack. It'd be good to find a workaround,
   // but unlikely unless we replace the Cocoa menu implementation.
   NSView* containerSuperview = [overflowActionsContainerView_ superview];
   if (NSMinX([containerSuperview frame]) != 0)
     [containerSuperview setFrameOrigin:NSZeroPoint];
 }
 
 @end  // @implementation AppMenuButtonViewController