Add FilePath to base namespace.

chrome/browser/history/top_sites_backend.h

 // Copyright (c) 2011 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_HISTORY_TOP_SITES_BACKEND_H_
 #define CHROME_BROWSER_HISTORY_TOP_SITES_BACKEND_H_
 
 #include "base/callback.h"
 #include "base/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/history/history_types.h"
 
 class CancelableTaskTracker;
+
+namespace base {
 class FilePath;
+}
 
 namespace history {
 
 class TopSitesDatabase;
 
 // Service used by TopSites to have db interaction happen on the DB thread.  All
 // public methods are invoked on the ui thread and get funneled to the DB
 // thread.
 class TopSitesBackend : public base::RefCountedThreadSafe<TopSitesBackend> {
  public:
   // The boolean parameter indicates if the DB existed on disk or needs to be
   // migrated.
   typedef base::Callback<void(const scoped_refptr<MostVisitedThumbnails>&,
                               const bool*)>
       GetMostVisitedThumbnailsCallback;
 
   TopSitesBackend();
 
-  void Init(const FilePath& path);
+  void Init(const base::FilePath& path);
 
   // Schedules the db to be shutdown.
   void Shutdown();
 
   // Fetches MostVisitedThumbnails.
   void GetMostVisitedThumbnails(
       const GetMostVisitedThumbnailsCallback& callback,
       CancelableTaskTracker* tracker);
 
   // Updates top sites database from the specified delta.
@@ skipping 12 matching lines @@
   // finished processing a request.
   void DoEmptyRequest(const base::Closure& reply,
                       CancelableTaskTracker* tracker);
 
  private:
   friend class base::RefCountedThreadSafe<TopSitesBackend>;
 
   virtual ~TopSitesBackend();
 
   // Invokes Init on the db_.
-  void InitDBOnDBThread(const FilePath& path);
+  void InitDBOnDBThread(const base::FilePath& path);
 
   // Shuts down the db.
   void ShutdownDBOnDBThread();
 
   // Does the work of getting the most visted thumbnails.
   void GetMostVisitedThumbnailsOnDBThread(
       scoped_refptr<MostVisitedThumbnails> thumbnails,
       bool* need_history_migration);
 
   // Updates top sites.
   void UpdateTopSitesOnDBThread(const TopSitesDelta& delta);
 
   // Sets the thumbnail.
   void SetPageThumbnailOnDBThread(const MostVisitedURL& url,
                                   int url_rank,
                                   const Images& thumbnail);
 
   // Resets the database.
-  void ResetDatabaseOnDBThread(const FilePath& file_path);
+  void ResetDatabaseOnDBThread(const base::FilePath& file_path);
 
-  FilePath db_path_;
+  base::FilePath db_path_;
 
   scoped_ptr<TopSitesDatabase> db_;
 
   DISALLOW_COPY_AND_ASSIGN(TopSitesBackend);
 };
 
 }  // namespace history
 
 #endif  // CHROME_BROWSER_HISTORY_TOP_SITES_BACKEND_H_