Remove usage of FOR_EACH_OBSERVER macro in ash/

ash/mus/window_manager.cc

 // Copyright 2015 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 "ash/mus/window_manager.h"
 
 #include <stdint.h>
 
 #include <utility>
 
@@ skipping 146 matching lines @@
 
   std::unique_ptr<RootWindowController> root_window_controller_ptr(
       new RootWindowController(this, window, display));
   RootWindowController* root_window_controller =
       root_window_controller_ptr.get();
   root_window_controllers_.insert(std::move(root_window_controller_ptr));
 
   // TODO: this should be called when logged in. See http://crbug.com/654606.
   root_window_controller->wm_root_window_controller()->CreateShelf();
 
-  FOR_EACH_OBSERVER(WindowManagerObserver, observers_,
-                    OnRootWindowControllerAdded(root_window_controller));
+  for (auto& observer : observers_)
+    observer.OnRootWindowControllerAdded(root_window_controller);
 
-  FOR_EACH_OBSERVER(display::DisplayObserver,
-                    *screen_->display_list()->observers(),
-                    OnDisplayAdded(root_window_controller->display()));
+  for (auto& observer : *screen_->display_list()->observers())
+    observer.OnDisplayAdded(root_window_controller->display());
 
   return root_window_controller;
 }
 
 void WindowManager::DestroyRootWindowController(
     RootWindowController* root_window_controller) {
   if (root_window_controllers_.size() > 1) {
     DCHECK_NE(root_window_controller, GetPrimaryRootWindowController());
     root_window_controller->wm_root_window_controller()->MoveWindowsTo(
         WmWindowMus::Get(GetPrimaryRootWindowController()->root()));
   }
 
   ui::Window* root_window = root_window_controller->root();
   auto it = FindRootWindowControllerByWindow(root_window);
   DCHECK(it != root_window_controllers_.end());
 
   (*it)->Shutdown();
 
   // NOTE: classic ash deleted RootWindowController after a delay (DeleteSoon())
   // this may need to change to mirror that.
   root_window_controllers_.erase(it);
 }
 
 void WindowManager::Shutdown() {
   if (!window_tree_client_)
     return;
 
   // Observers can rely on WmShell from the callback. So notify the observers
   // before destroying it.
-  FOR_EACH_OBSERVER(WindowManagerObserver, observers_,
-                    OnWindowTreeClientDestroyed());
+  for (auto& observer : observers_)
+    observer.OnWindowTreeClientDestroyed();
 
   // Primary RootWindowController must be destroyed last.
   RootWindowController* primary_root_window_controller =
       GetPrimaryRootWindowController();
   std::set<RootWindowController*> secondary_root_window_controllers;
   for (auto& root_window_controller_ptr : root_window_controllers_) {
     if (root_window_controller_ptr.get() != primary_root_window_controller)
       secondary_root_window_controllers.insert(
           root_window_controller_ptr.get());
   }
@@ skipping 152 matching lines @@
                                                     const ui::Event& event) {
   auto iter = accelerator_handlers_.find(GetAcceleratorNamespaceId(id));
   if (iter == accelerator_handlers_.end())
     return ui::mojom::EventResult::HANDLED;
 
   return iter->second->OnAccelerator(id, event);
 }
 
 }  // namespace mus
 }  // namespace ash