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

content/browser/frame_host/navigation_entry_impl.h

Index: content/browser/frame_host/navigation_entry_impl.h
diff --git a/content/browser/frame_host/navigation_entry_impl.h b/content/browser/frame_host/navigation_entry_impl.h
index 37de18213cbdd53ac969227d40466cf61e3a2adb..f0d42d70f136a32e2f01a66dc6d5e57446620a7f 100644
--- a/content/browser/frame_host/navigation_entry_impl.h
+++ b/content/browser/frame_host/navigation_entry_impl.h
@@ -107,6 +107,13 @@ class CONTENT_EXPORT NavigationEntryImpl
     return site_instance_.get();
   }
 
+  // The source_site_instance is used to identify the SiteInstance that

[Charlie Reis, 2014/12/06 00:18:50]

nit: the SiteInstance of the frame that initiated the navigation.

[lfg, 2014/12/08 20:45:32]

Done.

+  // initiated the navigation in case of a cross-site navigation.
+  void set_source_site_instance(SiteInstanceImpl* source_site_instance);
+  SiteInstanceImpl* source_site_instance() const {
+    return source_site_instance_.get();
+  }
+
   // Remember the set of bindings granted to this NavigationEntry at the time
   // of commit, to ensure that we do not grant it additional bindings if we
   // navigate back to it in the future.  This can only be changed once.
@@ -227,6 +234,7 @@ class CONTENT_EXPORT NavigationEntryImpl
   // See the accessors above for descriptions.
   int unique_id_;
   scoped_refptr<SiteInstanceImpl> site_instance_;
+  scoped_refptr<SiteInstanceImpl> source_site_instance_;

[Charlie Reis, 2014/12/06 00:18:50]

This is solely used as input for determining site_instance_ before the entry
commits, so we will not persist it.  Please move it further down near the fields
that get cleared, and give it a comment saying that (plus that we'll clear it in
|ResetForCommit|).

[lfg, 2014/12/08 20:45:32]

Done.

   // TODO(creis): Persist bindings_. http://crbug.com/173672.
   int bindings_;
   PageType page_type_;