Remove FOR_EACH_OBSERVER macro usage in chrome/browser/ui

chrome/browser/ui/webui/chromeos/touch_view_controller_delegate.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/ui/webui/chromeos/touch_view_controller_delegate.h"
 
 #include "ash/common/wm/maximize_mode/maximize_mode_controller.h"
 #include "ash/common/wm_shell.h"
 
 namespace chromeos {
@@ skipping 14 matching lines @@
   observers_.RemoveObserver(observer);
 }
 
 bool TouchViewControllerDelegate::IsMaximizeModeEnabled() const {
   return ash::WmShell::Get()
       ->maximize_mode_controller()
       ->IsMaximizeModeWindowManagerEnabled();
 }
 
 void TouchViewControllerDelegate::OnMaximizeModeStarted() {
-  FOR_EACH_OBSERVER(Observer, observers_, OnMaximizeModeStarted());
+  for (Observer& observer : observers_)
+    observer.OnMaximizeModeStarted();
 }
 
 void TouchViewControllerDelegate::OnMaximizeModeEnded() {
-  FOR_EACH_OBSERVER(Observer, observers_, OnMaximizeModeEnded());
+  for (Observer& observer : observers_)
+    observer.OnMaximizeModeEnded();
 }
 
 }  // namespace chromeos