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

chrome/browser/ui/global_error/global_error.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_GLOBAL_ERROR_GLOBAL_ERROR_H_
 #define CHROME_BROWSER_UI_GLOBAL_ERROR_GLOBAL_ERROR_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/weak_ptr.h"
-#include "base/string16.h"
+#include "base/strings/string16.h"
 
 class Browser;
 class GlobalErrorBubbleViewBase;
 
 namespace gfx {
 class Image;
 }
 
 // This object describes a single global error.
 class GlobalError : public base::SupportsWeakPtr<GlobalError> {
@@ skipping 59 matching lines @@
 
 
  private:
   bool has_shown_bubble_view_;
   GlobalErrorBubbleViewBase* bubble_view_;
 
   DISALLOW_COPY_AND_ASSIGN(GlobalError);
 };
 
 #endif  // CHROME_BROWSER_UI_GLOBAL_ERROR_GLOBAL_ERROR_H_