[Merge M51][Downloads] Use the initiating StoragePartition for resumption.

content/browser/renderer_host/render_message_filter.cc

Index: content/browser/renderer_host/render_message_filter.cc
diff --git a/content/browser/renderer_host/render_message_filter.cc b/content/browser/renderer_host/render_message_filter.cc
index 8d5ae8e9d478c9bba4a0c1b4dee793ff6beb9924..c4a1046cce341b8d29322606d150bfb2d3d76292 100644
--- a/content/browser/renderer_host/render_message_filter.cc
+++ b/content/browser/renderer_host/render_message_filter.cc
@@ -401,7 +401,7 @@ void RenderMessageFilter::DownloadUrl(int render_view_id,
 
   scoped_ptr<DownloadUrlParameters> parameters(
       new DownloadUrlParameters(url, render_process_id_, render_view_id,
-                                render_frame_id, resource_context_));
+                                render_frame_id, request_context_.get()));
   parameters->set_content_initiated(true);
   parameters->set_suggested_name(suggested_name);
   parameters->set_prompt(use_prompt);