OOPIF: Data URLs are now rendered in the renderer that initiated the navigation.

BUG=433014

Review URL: https://codereview.chromium.org/743773003

Cr-Commit-Position: refs/heads/master@{#308445}
diff --git a/content/browser/frame_host/navigation_controller_impl.cc b/content/browser/frame_host/navigation_controller_impl.cc
index ecd60437..9519f3f1 100644
--- a/content/browser/frame_host/navigation_controller_impl.cc
+++ b/content/browser/frame_host/navigation_controller_impl.cc
@@ -721,6 +721,8 @@
           browser_context_));
   if (params.frame_tree_node_id != -1)
     entry->set_frame_tree_node_id(params.frame_tree_node_id);
+  entry->set_source_site_instance(
+      static_cast<SiteInstanceImpl*>(params.source_site_instance.get()));
   if (params.redirect_chain.size() > 0)
     entry->SetRedirectChain(params.redirect_chain);
   if (params.should_replace_current_entry)