Remove FOR_EACH_OBSERVER macro usage in chrome/browser/ui

chrome/browser/ui/views/toolbar/app_menu_button.cc

 // Copyright 2013 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/ui/views/toolbar/app_menu_button.h"
 
 #include "base/location.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 56 matching lines @@
         keyboard::KeyboardController::HIDE_REASON_AUTOMATIC);
   }
 #endif
 
   Browser* browser = toolbar_view_->browser();
 
   menu_.reset(new AppMenu(browser, for_drop ? AppMenu::FOR_DROP : 0));
   menu_model_.reset(new AppMenuModel(toolbar_view_, browser));
   menu_->Init(menu_model_.get());
 
-  FOR_EACH_OBSERVER(views::MenuListener, menu_listeners_, OnMenuOpened());
+  for (views::MenuListener& observer : menu_listeners_)
+    observer.OnMenuOpened();
 
   base::TimeTicks menu_open_time = base::TimeTicks::Now();
   menu_->RunMenu(this);
 
   if (!for_drop) {
     // Record the time-to-action for the menu. We don't record in the case of a
     // drag-and-drop command because menus opened for drag-and-drop don't block
     // the message loop.
     UMA_HISTOGRAM_TIMES("Toolbar.AppMenuTimeToAction",
                         base::TimeTicks::Now() - menu_open_time);
@@ skipping 137 matching lines @@
 
 void AppMenuButton::OnDragExited() {
   DCHECK(allow_extension_dragging_);
   weak_factory_.InvalidateWeakPtrs();
 }
 
 int AppMenuButton::OnPerformDrop(const ui::DropTargetEvent& event) {
   DCHECK(allow_extension_dragging_);
   return ui::DragDropTypes::DRAG_MOVE;
 }