Replicate feature policy headers to remote frames

content/browser/frame_host/navigator_impl.cc

Index: content/browser/frame_host/navigator_impl.cc
diff --git a/content/browser/frame_host/navigator_impl.cc b/content/browser/frame_host/navigator_impl.cc
index 5740af67acbee9231ed9620e601cc8be1848aa9a..3103dcce6c154d8e7b9c2cc9e25076a4003c24f2 100644
--- a/content/browser/frame_host/navigator_impl.cc
+++ b/content/browser/frame_host/navigator_impl.cc
@@ -581,8 +581,10 @@ void NavigatorImpl::DidNavigate(
 
   // Navigating to a new location means a new, fresh set of http headers and/or
   // <meta> elements - we need to reset CSP policy to an empty set.
-  if (!is_navigation_within_page)
+  if (!is_navigation_within_page) {
     render_frame_host->frame_tree_node()->ResetContentSecurityPolicy();
+    render_frame_host->frame_tree_node()->ResetFeaturePolicy();

[alexmos, 2016/11/17 21:45:58]

nit: update comment to mention feature policy (so it doesn't seem like this is
part of resetting CSP)

[iclelland, 2016/11/18 16:12:37]

Done.

+  }
 
   // When using --site-per-process, we notify the RFHM for all navigations,
   // not just main frame navigations.