Allowing multiple SaveItems to have same URLs.

content/browser/download/save_file_resource_handler.h

Index: content/browser/download/save_file_resource_handler.h
diff --git a/content/browser/download/save_file_resource_handler.h b/content/browser/download/save_file_resource_handler.h
index a2bc2ee7111cfd52c2abdb354f2757832b4391e5..6912ac4cf74d7d7ed04d823cef71f857e01e3f6a 100644
--- a/content/browser/download/save_file_resource_handler.h
+++ b/content/browser/download/save_file_resource_handler.h
@@ -22,6 +22,7 @@ class SaveFileManager;
 class SaveFileResourceHandler : public ResourceHandler {
  public:
   SaveFileResourceHandler(net::URLRequest* request,
+                          int save_item_id,
                           int save_package_id,
                           int render_process_host_id,
                           int render_frame_routing_id,
@@ -72,7 +73,7 @@ class SaveFileResourceHandler : public ResourceHandler {
   }
 
  private:
-  int save_id_;
+  int save_item_id_;
   int save_package_id_;
   int render_process_id_;
   int render_frame_routing_id_;