FBTB: Remove unneeded #includes of base/ref_counted.h and base/string16.h in src/chrome.

chrome/browser/in_process_webkit/webkit_thread.h

 // Copyright (c) 2010 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_IN_PROCESS_WEBKIT_WEBKIT_THREAD_H_
 #define CHROME_BROWSER_IN_PROCESS_WEBKIT_WEBKIT_THREAD_H_
 #pragma once
 
 #include "base/lock.h"
 #include "base/logging.h"
-#include "base/ref_counted.h"
 #include "base/scoped_ptr.h"
 #include "base/thread.h"
 #include "chrome/browser/chrome_thread.h"
 
 class BrowserWebKitClientImpl;
 
 // This creates a WebKit main thread on instantiation (if not in
 // --single-process mode) on construction and kills it on deletion.
 class WebKitThread {
  public:
@@ skipping 18 matching lines @@
     scoped_ptr<BrowserWebKitClientImpl> webkit_client_;
   };
 
   // Pointer to the actual WebKitThread.
   scoped_ptr<InternalWebKitThread> webkit_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(WebKitThread);
 };
 
 #endif  // CHROME_BROWSER_IN_PROCESS_WEBKIT_WEBKIT_THREAD_H_