Use a direct include of strings headers in chrome/browser/ui/webui/, part 1.

chrome/browser/ui/webui/memory_internals/memory_internals_proxy.h

 // Copyright 2013 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_WEBUI_MEMORY_INTERNALS_MEMORY_INTERNALS_PROXY_H_
 #define CHROME_BROWSER_UI_WEBUI_MEMORY_INTERNALS_MEMORY_INTERNALS_PROXY_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
-#include "base/string16.h"
+#include "base/strings/string16.h"
 #include "chrome/browser/memory_details.h"
 #include "content/public/browser/browser_thread.h"
 
 class MemoryInternalsHandler;
 
 namespace base {
 class ListValue;
 class Value;
 }
 
@@ skipping 27 matching lines @@
   // Call a JavaScript function on the page. Takes ownership of |args|.
   void CallJavaScriptFunctionOnUIThread(const std::string& function,
                                         base::Value* args);
 
   MemoryInternalsHandler* handler_;
 
   DISALLOW_COPY_AND_ASSIGN(MemoryInternalsProxy);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_MEMORY_INTERNALS_MEMORY_INTERNALS_PROXY_H_