Use FilePath in JumpList.

chrome/browser/jumplist.h

 // Copyright (c) 2006-2009 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_JUMPLIST_H_
 #define CHROME_BROWSER_JUMPLIST_H_
 
 #include <list>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/ref_counted.h"
 #include "chrome/browser/cancelable_request.h"
 #include "chrome/browser/history/history.h"
 #include "chrome/browser/sessions/tab_restore_service.h"
 
+class FilePath;
 class Profile;
 class PageUsageData;
 
 // Represents a class used for creating an IShellLink object by the utility
 // functions in this file.
 // This class consists of three strings and a integer.
 // * arguments (std::wstring)
 //   The arguments for the application.
 // * title (std::wstring)
 //   The string to be displayed in a JumpList.
@@ skipping 135 matching lines @@
 
  private:
   // Our consumers for HistoryService.
   CancelableRequestConsumer most_visited_consumer_;
   CancelableRequestConsumer fav_icon_consumer_;
 
   // The Profile object used for listening its events.
   Profile* profile_;
 
   // The directory which contains JumpList icons.
-  std::wstring icon_dir_;
+  FilePath icon_dir_;
 
   // Items in the "Most Visited" category of the application JumpList.
   ShellLinkItemList most_visited_pages_;
 
   // Items in the "Recently Closed" category of the application JumpList.
   ShellLinkItemList recently_closed_pages_;
 
   // A list of URLs we need to retrieve their fav icons.
   typedef std::pair<std::string, scoped_refptr<ShellLinkItem> > URLPair;
   std::list<URLPair> icon_urls_;
 };
 
 #endif  // CHROME_BROWSER_JUMPLIST_H_