Replicate feature policy container policies.

content/browser/frame_host/render_frame_host_manager.cc

Index: content/browser/frame_host/render_frame_host_manager.cc
diff --git a/content/browser/frame_host/render_frame_host_manager.cc b/content/browser/frame_host/render_frame_host_manager.cc
index 5ae522b0a7b448c1cf8ab395d06544110703e08e..4b8a137a22b443e4bfd9b5cef36dc27675c3d43a 100644
--- a/content/browser/frame_host/render_frame_host_manager.cc
+++ b/content/browser/frame_host/render_frame_host_manager.cc
@@ -435,9 +435,9 @@ void RenderFrameHostManager::DidNavigateFrame(
     bool was_caused_by_user_gesture) {
   CommitPendingIfNecessary(render_frame_host, was_caused_by_user_gesture);
 
-  // Make sure any dynamic changes to this frame's sandbox flags that were made
-  // prior to navigation take effect.
-  CommitPendingSandboxFlags();
+  // Make sure any dynamic changes to this frame's sandbox flags and feature
+  // policy that were made prior to navigation take effect.
+  CommitPendingFramePolicy();
 }
 
 void RenderFrameHostManager::CommitPendingIfNecessary(
@@ -537,23 +537,24 @@ void RenderFrameHostManager::DidChangeOpener(
   }
 }
 
-void RenderFrameHostManager::CommitPendingSandboxFlags() {
+void RenderFrameHostManager::CommitPendingFramePolicy() {
   // Return early if there were no pending sandbox flags updates.

[lunalu1, 2017/04/05 22:30:03]

nit: update the comment

[iclelland, 2017/04/09 03:25:54]

Done.

-  if (!frame_tree_node_->CommitPendingSandboxFlags())
+  if (!frame_tree_node_->CommitPendingFramePolicy())
     return;
 
-  // Sandbox flags updates can only happen when the frame has a parent.
+  // Policy updates can only happen when the frame has a parent.
   CHECK(frame_tree_node_->parent());
 
-  // Notify all of the frame's proxies about updated sandbox flags, excluding
-  // the parent process since it already knows the latest flags.
+  // Notify all of the frame's proxies about updated policies, excluding
+  // the parent process since it already knows the latest state.
   SiteInstance* parent_site_instance =
       frame_tree_node_->parent()->current_frame_host()->GetSiteInstance();
   for (const auto& pair : proxy_hosts_) {
     if (pair.second->GetSiteInstance() != parent_site_instance) {
-      pair.second->Send(new FrameMsg_DidUpdateSandboxFlags(
+      pair.second->Send(new FrameMsg_DidUpdateFramePolicy(
           pair.second->GetRoutingID(),
-          frame_tree_node_->current_replication_state().sandbox_flags));
+          frame_tree_node_->current_replication_state().sandbox_flags,
+          frame_tree_node_->current_replication_state().container_policy));
     }
   }
 }