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

chrome/browser/ui/browser_navigator.h

Index: chrome/browser/ui/browser_navigator.h
diff --git a/chrome/browser/ui/browser_navigator.h b/chrome/browser/ui/browser_navigator.h
index 4209927811452747814160386e8e2e8d14e6af60..ce50a07cd50e5075d53f679124a385444e58f4bf 100644
--- a/chrome/browser/ui/browser_navigator.h
+++ b/chrome/browser/ui/browser_navigator.h
@@ -13,6 +13,7 @@
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/global_request_id.h"
 #include "content/public/browser/page_navigator.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"
@@ -65,6 +66,10 @@ struct NavigateParams {
   GURL url;
   content::Referrer referrer;
 
+  // Site instance of the frame that initiated the navigation or null if we
+  // don't know it.
+  scoped_refptr<content::SiteInstance> source_site_instance;
+
   // The browser-global ID of the frame to navigate, or -1 for the main frame.
   int64 frame_tree_node_id;