Replicate feature policy headers to remote frames

content/browser/frame_host/navigator_impl.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/frame_host/navigator_impl.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 563 matching lines @@
   // created via mojom::Renderer::CreateView and
   // mojom::Renderer::CreateFrameProxy.
   render_frame_host->frame_tree_node()->SetCurrentOrigin(
       params.origin, params.has_potentially_trustworthy_unique_origin);
 
   render_frame_host->frame_tree_node()->SetInsecureRequestPolicy(
       params.insecure_request_policy);
 
   // 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.
   if (oopifs_possible) {
     FrameTreeNode* frame = render_frame_host->frame_tree_node();
     frame->render_manager()->DidNavigateFrame(
         render_frame_host, params.gesture == NavigationGestureUser);
   }
 
   // Update the site of the SiteInstance if it doesn't have one yet, unless
@@ skipping 668 matching lines @@
     if (navigation_handle)
       navigation_handle->update_entry_id_for_transfer(entry->GetUniqueID());
 
     controller_->SetPendingEntry(std::move(entry));
     if (delegate_)
       delegate_->NotifyChangedNavigationState(content::INVALIDATE_TYPE_URL);
   }
 }
 
 }  // namespace content