Revert 278483 "[Downloads] Retry renames after transient failures."

trunk/src/content/browser/download/download_file_impl.h

Index: trunk/src/content/browser/download/download_file_impl.h
===================================================================
--- trunk/src/content/browser/download/download_file_impl.h	(revision 278536)
+++ trunk/src/content/browser/download/download_file_impl.h	(working copy)
@@ -68,36 +68,7 @@
   virtual DownloadInterruptReason AppendDataToFile(
       const char* data, size_t data_len);
 
-  virtual base::TimeDelta GetRetryDelayForFailedRename(int attempt_number);
-
-  virtual bool ShouldRetryFailedRename(DownloadInterruptReason reason);
-
  private:
-  friend class DownloadFileTest;
-
-  // Options for RenameWithRetryInternal.
-  enum RenameOption {
-    UNIQUIFY = 1 << 0,  // If there's already a file on disk that conflicts with
-                        // |new_path|, try to create a unique file by appending
-                        // a uniquifier.
-    ANNOTATE_WITH_SOURCE_INFORMATION = 1 << 1
-  };
-
-  // Rename file_ to |new_path|.
-  // |option| specifies additional operations to be performed during the rename.
-  //     See RenameOption above.
-  // |retries_left| indicates how many times to retry the operation if the
-  //     rename fails with a transient error.
-  // |time_of_first_failure| Set to an empty base::TimeTicks during the first
-  //     call. Once the first failure is seen, subsequent calls of
-  //     RenameWithRetryInternal will have a non-empty value keeping track of
-  //     the time of first observed failure.  Used for UMA.
-  void RenameWithRetryInternal(const base::FilePath& new_path,
-                               RenameOption option,
-                               int retries_left,
-                               base::TimeTicks time_of_first_failure,
-                               const RenameCompletionCallback& callback);
-
   // Send an update on our progress.
   void SendUpdate();