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

chrome/browser/ui/browser.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_BROWSER_H_
 #define CHROME_BROWSER_UI_BROWSER_H_
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/prefs/pref_change_registrar.h"
 #include "base/prefs/pref_member.h"
-#include "base/string16.h"
+#include "base/strings/string16.h"
 #include "chrome/browser/devtools/devtools_toggle_action.h"
 #include "chrome/browser/sessions/session_id.h"
 #include "chrome/browser/ui/blocked_content/blocked_content_tab_helper_delegate.h"
 #include "chrome/browser/ui/bookmarks/bookmark_bar.h"
 #include "chrome/browser/ui/bookmarks/bookmark_tab_helper_delegate.h"
 #include "chrome/browser/ui/browser_navigator.h"
 #include "chrome/browser/ui/chrome_web_modal_dialog_manager_delegate.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "chrome/browser/ui/search/search_model_observer.h"
 #include "chrome/browser/ui/search_engines/search_engine_tab_helper_delegate.h"
@@ skipping 879 matching lines @@
 
   scoped_ptr<chrome::BrowserCommandController> command_controller_;
 
   // True if the browser window has been shown at least once.
   bool window_has_shown_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_H_