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

content/public/browser/page_navigator.h

Index: content/public/browser/page_navigator.h
diff --git a/content/public/browser/page_navigator.h b/content/public/browser/page_navigator.h
index 0cdba29607c71cbea99c7a274e19ca184d89db3b..41b4224b142e4b100a10ae498b8ea2214a9066e3 100644
--- a/content/public/browser/page_navigator.h
+++ b/content/public/browser/page_navigator.h
@@ -15,6 +15,7 @@
 #include "base/memory/ref_counted_memory.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/global_request_id.h"
+#include "content/public/browser/site_instance.h"
 #include "content/public/common/referrer.h"
 #include "ui/base/page_transition_types.h"
 #include "ui/base/window_open_disposition.h"
@@ -42,6 +43,10 @@ struct CONTENT_EXPORT OpenURLParams {
   GURL url;
   Referrer referrer;
 
+  // SiteInstance of the frame that initiated the navigation or null if we
+  // don't know it.
+  scoped_refptr<content::SiteInstance> source_site_instance;
+
   // Any redirect URLs that occurred for this navigation before |url|.
   std::vector<GURL> redirect_chain;