Added DownloadProcessHandle class.

chrome/browser/download/download_file_manager.h

Index: chrome/browser/download/download_file_manager.h
diff --git a/chrome/browser/download/download_file_manager.h b/chrome/browser/download/download_file_manager.h
index 1d96b5d154bbeaa68bb36a1c36a755ee0557f7e0..a74c94f875a32290cd1ec6c70145b571cfe360f8 100644
--- a/chrome/browser/download/download_file_manager.h
+++ b/chrome/browser/download/download_file_manager.h
@@ -47,6 +47,7 @@
 #include "base/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/timer.h"
+#include "chrome/browser/download/download_process_handle.h"
 #include "ui/gfx/native_widget_types.h"
 
 struct DownloadBuffer;
@@ -138,12 +139,13 @@ class DownloadFileManager
   // Creates DownloadFile on FILE thread and continues starting the download
   // process.
   void CreateDownloadFile(DownloadCreateInfo* info,
+                          DownloadProcessHandle process,
                           DownloadManager* download_manager,
                           bool hash_needed);
 
   // Tells the ResourceDispatcherHost to resume a download request
   // that was paused to wait for the on-disk file to be created.
-  void ResumeDownloadRequest(int child_id, int request_id);
+  void ResumeDownloadRequest(DownloadProcessHandle process);

[Randy Smith (Not in Mondays), 2011/05/05 20:25:34]

I'd suggest folding this routine into DownloadProcessHandle.

 
   // Called only on the download thread.
   DownloadFile* GetDownloadFile(int id);