Revert everything related to the relanding.

chrome/browser/spellcheck_host.h

 // Copyright (c) 2009 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_SPELLCHECK_HOST_H_
 #define CHROME_BROWSER_SPELLCHECK_HOST_H_
 
 #include <string>
 #include <vector>
 
 #include "base/file_path.h"
 #include "base/platform_file.h"
 #include "base/ref_counted.h"
-#include "base/scoped_ptr.h"
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/common/net/url_fetcher.h"
 
 class Profile;
 class SpellCheckHostObserver;
 class URLRequestContextGetter;
 
 class SpellCheckHost : public base::RefCountedThreadSafe<SpellCheckHost,
                            ChromeThread::DeleteOnFileThread>,
                        public URLFetcher::Delegate {
@@ skipping 101 matching lines @@
 
   // Used for downloading the dictionary file. We don't hold a reference, and
   // it is only valid to use it on the UI thread.
   URLRequestContextGetter* request_context_getter_;
 
   // Used for downloading the dictionary file.
   scoped_ptr<URLFetcher> fetcher_;
 };
 
 #endif  // CHROME_BROWSER_SPELLCHECK_HOST_H_