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

chrome/browser/ssl/ssl_blocking_page.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_SSL_SSL_BLOCKING_PAGE_H_
 #define CHROME_BROWSER_SSL_SSL_BLOCKING_PAGE_H_
 
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
-#include "base/string16.h"
+#include "base/strings/string16.h"
 #include "base/time.h"
 #include "content/public/browser/interstitial_page_delegate.h"
 #include "googleurl/src/gurl.h"
 #include "net/ssl/ssl_info.h"
 
 namespace base {
 class DictionaryValue;
 }
 
 namespace content {
@@ skipping 50 matching lines @@
   bool strict_enforcement_;
   content::InterstitialPage* interstitial_page_;  // Owns us.
 
   // For the FieldTrial: this contains the name of the condition.
   std::string trialCondition_;
 
   DISALLOW_COPY_AND_ASSIGN(SSLBlockingPage);
 };
 
 #endif  // CHROME_BROWSER_SSL_SSL_BLOCKING_PAGE_H_