Use a direct include of strings headers in chrome/browser/ui/a*/.

chrome/browser/ui/ash/launcher/launcher_item_controller.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_UI_ASH_LAUNCHER_LAUNCHER_ITEM_CONTROLLER_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_LAUNCHER_ITEM_CONTROLLER_H_
 
 #include "ash/launcher/launcher_types.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_vector.h"
-#include "base/string16.h"
+#include "base/strings/string16.h"
 
 class ChromeLauncherController;
 class ChromeLauncherAppMenuItem;
 
 typedef ScopedVector<ChromeLauncherAppMenuItem> ChromeLauncherAppMenuItems;
 
 namespace aura {
 class Window;
 }
 
@@ skipping 99 matching lines @@
   // applications.
   int locked_;
 
   // Set to true if the launcher item image has been set by the controller.
   bool image_set_by_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(LauncherItemController);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_LAUNCHER_ITEM_CONTROLLER_H_