[Downloads] Use the initiating StoragePartition for resumption.

chrome/browser/extensions/api/downloads/downloads_api.cc

Index: chrome/browser/extensions/api/downloads/downloads_api.cc
diff --git a/chrome/browser/extensions/api/downloads/downloads_api.cc b/chrome/browser/extensions/api/downloads/downloads_api.cc
index 7c87a6f10c9cd44df4046e405e3c6f6b57d1a773..a4cc708dfa08d25df31426efcec4dc5af13d0dea 100644
--- a/chrome/browser/extensions/api/downloads/downloads_api.cc
+++ b/chrome/browser/extensions/api/downloads/downloads_api.cc
@@ -63,8 +63,7 @@
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host_view.h"
-#include "content/public/browser/resource_context.h"
-#include "content/public/browser/resource_dispatcher_host.h"
+#include "content/public/browser/storage_partition.h"
 #include "content/public/browser/web_contents.h"
 #include "extensions/browser/event_router.h"
 #include "extensions/browser/extension_function_dispatcher.h"
@@ -957,12 +956,16 @@ bool DownloadsDownloadFunction::RunAsync() {
   if (include_incognito() && GetProfile()->HasOffTheRecordProfile())
     current_profile = GetProfile()->GetOffTheRecordProfile();
 
+  content::StoragePartition* storage_partition =
+      BrowserContext::GetStoragePartition(
+          render_frame_host()->GetProcess()->GetBrowserContext(),
+          render_frame_host()->GetSiteInstance());
   std::unique_ptr<content::DownloadUrlParameters> download_params(
       new content::DownloadUrlParameters(
           download_url, render_frame_host()->GetProcess()->GetID(),
           render_view_host_do_not_use()->GetRoutingID(),
           render_frame_host()->GetRoutingID(),
-          current_profile->GetResourceContext()));
+          storage_partition->GetURLRequestContext()));
 
   base::FilePath creator_suggested_filename;
   if (options.filename.get()) {