Replace void* with int32 for passing download_id to SelectFileDialog::Listener.

content/browser/download/download_manager_impl.h

Index: content/browser/download/download_manager_impl.h
===================================================================
--- content/browser/download/download_manager_impl.h	(revision 124549)
+++ content/browser/download/download_manager_impl.h	(working copy)
@@ -81,8 +81,8 @@
       bool is_otr,
       content::DownloadItem::Observer* observer) OVERRIDE;
   virtual void ClearLastDownloadPath() OVERRIDE;
-  virtual void FileSelected(const FilePath& path, void* params) OVERRIDE;
-  virtual void FileSelectionCanceled(void* params) OVERRIDE;
+  virtual void FileSelected(const FilePath& path, int32 download_id) OVERRIDE;
+  virtual void FileSelectionCanceled(int32 download_id) OVERRIDE;
   virtual void RestartDownload(int32 download_id) OVERRIDE;
   virtual void CheckForHistoryFilesRemoval() OVERRIDE;
   virtual content::DownloadItem* GetDownloadItem(int id) OVERRIDE;