Fix Self-Referencing OOPIF Infinite Loop

content/browser/frame_host/navigation_handle_impl.h

Index: content/browser/frame_host/navigation_handle_impl.h
diff --git a/content/browser/frame_host/navigation_handle_impl.h b/content/browser/frame_host/navigation_handle_impl.h
index 20a159af380b79c8a118d88c4fd31c9f2f599a1d..06a74ff654ed2ba5ce3ec4640238b7108ee3e450 100644
--- a/content/browser/frame_host/navigation_handle_impl.h
+++ b/content/browser/frame_host/navigation_handle_impl.h
@@ -346,6 +346,11 @@ class CONTENT_EXPORT NavigationHandleImpl : public NavigationHandle {
   // Populates |throttles_| with the throttles for this navigation.
   void RegisterNavigationThrottles();
 
+  // Checks for attempts to navigate to a page that is already referenced more
+  // than once in its ancestors.  This is a helper function used by

[alexmos, 2017/01/06 02:27:29]

nit: s/its/the frame's/

[davidsac (gone - try alexmos), 2017/01/19 18:26:23]

Done.

+  // WillStartRequest and WillRedirectRequest to prevent the navigation.
+  bool IsSelfReferentialURL();
+
   // See NavigationHandle for a description of those member variables.
   GURL url_;
   scoped_refptr<SiteInstance> starting_site_instance_;