Move blocking of top-level navigations to nested URLs with extension origins from non-extension pro…

content/public/browser/navigation_handle.h

Index: content/public/browser/navigation_handle.h
diff --git a/content/public/browser/navigation_handle.h b/content/public/browser/navigation_handle.h
index 8770777171da92bf15cb92d1d4a0117004c22115..52b1d26582fd5c1d795ea6076104d4af8568ee36 100644
--- a/content/public/browser/navigation_handle.h
+++ b/content/public/browser/navigation_handle.h
@@ -48,6 +48,9 @@ class CONTENT_EXPORT NavigationHandle {
   // virtual URL is prefixed with "view-source:".
   virtual const GURL& GetURL() = 0;
 
+  // Returns the URL fo the Site Instance.
+  virtual const GURL& GetSiteURL() = 0;

[nasko, 2016/10/12 17:00:35]

Let's expose the SiteInstance, as we will need it for other checks too.

[alexmos, 2016/10/12 17:18:16]

Could we name this so that it's a bit more clear what SiteInstance this is
(i.e., the creator's and not the target's)?

+
   // Whether the navigation is taking place in the main frame or in a subframe.
   // This remains constant over the navigation lifetime.
   virtual bool IsInMainFrame() = 0;