Move browsing_data_helper files into a separate directory.

chrome/browser/browsing_data/browsing_data_helper.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.
 
 // Defines methods relevant to all code that wants to work with browsing data.
 
-#ifndef CHROME_BROWSER_BROWSING_DATA_HELPER_H_
-#define CHROME_BROWSER_BROWSING_DATA_HELPER_H_
+#ifndef CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_HELPER_H_
+#define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_HELPER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 
 namespace WebKit {
 class WebString;
 }
 
 class ExtensionSpecialStoragePolicy;
@@ skipping 24 matching lines @@
 
   // Returns true if the provided origin matches the provided mask.
   static bool DoesOriginMatchMask(const GURL& origin,
                                   int origin_set_mask,
                                   ExtensionSpecialStoragePolicy* policy);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(BrowsingDataHelper);
 };
 
-#endif  // CHROME_BROWSER_BROWSING_DATA_HELPER_H_
+#endif  // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_HELPER_H_