Remove FOR_EACH_OBSERVER macro usage in chrome/browser/ui

chrome/browser/ui/ash/cast_config_delegate_media_router.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 "chrome/browser/ui/ash/cast_config_delegate_media_router.h"
 
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
@@ skipping 187 matching lines @@
           item.activity.tab_id = 0;
           if (media_router::IsDesktopMirroringMediaSource(route.media_source()))
             item.activity.tab_id = Activity::TabId::DESKTOP;
         }
 
         break;
       }
     }
   }
 
-  FOR_EACH_OBSERVER(ash::CastConfigDelegate::Observer, observer_list_,
-                    OnDevicesUpdated(items));
+  for (ash::CastConfigDelegate::Observer& observer : observer_list_)
+    observer.OnDevicesUpdated(items);
 }
 
 void CastConfigDelegateMediaRouter::CastToReceiver(
     const std::string& receiver_id) {
   // TODO(imcheng): Pass in tab casting timeout.
   GetMediaRouter()->CreateRoute(
       media_router::MediaSourceForDesktop().id(), receiver_id,
       GURL("http://cros-cast-origin/"), nullptr,
       std::vector<media_router::MediaRouteResponseCallback>(),
       base::TimeDelta(), false);
@@ skipping 12 matching lines @@
 
 void CastConfigDelegateMediaRouter::AddObserver(
     ash::CastConfigDelegate::Observer* observer) {
   observer_list_.AddObserver(observer);
 }
 
 void CastConfigDelegateMediaRouter::RemoveObserver(
     ash::CastConfigDelegate::Observer* observer) {
   observer_list_.RemoveObserver(observer);
 }