Convert download manager to FilePath.

chrome/browser/download/download_file.h

Index: chrome/browser/download/download_file.h
===================================================================
--- chrome/browser/download/download_file.h	(revision 7599)
+++ chrome/browser/download/download_file.h	(working copy)
@@ -53,6 +53,7 @@
 #include "chrome/browser/history/download_types.h"
 
 class DownloadManager;
+class FilePath;
 class GURL;
 class MessageLoop;
 class ResourceDispatcherHost;
@@ -93,12 +94,12 @@
   void Cancel();
 
   // Rename the download file. Returns 'true' if the rename was successful.
-  bool Rename(const std::wstring& full_path);
+  bool Rename(const FilePath& full_path);
 
   // Accessors.
   int64 bytes_so_far() const { return bytes_so_far_; }
   int id() const { return id_; }
-  std::wstring full_path() const { return full_path_; }
+  FilePath full_path() const { return full_path_; }
   int render_process_id() const { return render_process_id_; }
   int render_view_id() const { return render_view_id_; }
   int request_id() const { return request_id_; }
@@ -132,7 +133,7 @@
   int64 bytes_so_far_;
 
   // Full path to the downloaded file.
-  std::wstring full_path_;
+  FilePath full_path_;
 
   // Whether the download is still using its initial temporary path.
   bool path_renamed_;
@@ -192,27 +193,23 @@
   void RemoveDownload(int id, DownloadManager* manager);
 
   // Handler for shell operations sent from the UI to the download thread.
-  void OnShowDownloadInShell(const std::wstring full_path);
+  void OnShowDownloadInShell(const FilePath& full_path);
   // Handler to open or execute a downloaded file.
-  void OnOpenDownloadInShell(const std::wstring full_path,
+  void OnOpenDownloadInShell(const FilePath& full_path,
                              const std::wstring& url, HWND parent_window);
 
   // The download manager has provided a final name for a download. Sent from
   // the UI thread and run on the download thread.
-  void OnFinalDownloadName(int id, const std::wstring& full_path);
+  void OnFinalDownloadName(int id, const FilePath& full_path);
 
   // Timer notifications.
   void UpdateInProgressDownloads();
 
   MessageLoop* file_loop() const { return file_loop_; }
 
-  // Called by the download manager at initialization to ensure the default
-  // download directory exists.
-  void CreateDirectory(const std::wstring& directory);
+  // Called by the download manager to delete non validated dangerous downloads.
+  static void DeleteFile(const FilePath& path);
 
-  // Called by the donwload manager to delete non validated dangerous downloads.
-  void DeleteFile(const std::wstring& path);
-
  private:
   // Timer helpers for updating the UI about the current progress of a download.
   void StartUpdateTimer();