Use a direct include of strings headers in chrome/browser/r*-s*/.

chrome/browser/ssl/ssl_error_info.h

 // Copyright (c) 2011 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_SSL_SSL_ERROR_INFO_H_
 #define CHROME_BROWSER_SSL_SSL_ERROR_INFO_H_
 
 #include <string>
 #include <vector>
 
-#include "base/string16.h"
+#include "base/strings/string16.h"
 #include "net/cert/cert_status_flags.h"
 #include "net/cert/x509_certificate.h"
 
 class GURL;
 
 // This class describes an error that happened while showing a page over SSL.
 // An SSLErrorInfo object only exists on the UI thread and only contains
 // information about an error (type of error and text details).
 // Note no DISALLOW_COPY_AND_ASSIGN as we want the copy constructor.
 class SSLErrorInfo {
@@ skipping 55 matching lines @@
 
   string16 title_;
   string16 details_;
   string16 short_description_;
   // Extra-informations contains paragraphs of text explaining in details what
   // the error is and what the risks are.
   std::vector<string16> extra_information_;
 };
 
 #endif  // CHROME_BROWSER_SSL_SSL_ERROR_INFO_H_