Replicate feature policy container policies.

content/browser/frame_host/render_frame_host_manager.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/render_frame_host_manager.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 417 matching lines @@
   // FrameTreeNode that it stopped loading.
   if (!frame_tree_node_->IsLoading() && frame_tree_node_was_loading)
     frame_tree_node_->DidStopLoading();
 }
 
 void RenderFrameHostManager::DidNavigateFrame(
     RenderFrameHostImpl* render_frame_host,
     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(
     RenderFrameHostImpl* render_frame_host,
     bool was_caused_by_user_gesture) {
   if (!pending_render_frame_host_ && !speculative_render_frame_host_) {
     // There's no pending/speculative RenderFrameHost so it must be that the
     // current renderer process completed a navigation.
 
     // We should only hear this from our current renderer.
@@ skipping 79 matching lines @@
     pending_render_frame_host_->UpdateOpener();
   }
 
   if (speculative_render_frame_host_ &&
       speculative_render_frame_host_->GetSiteInstance() !=
           source_site_instance) {
     speculative_render_frame_host_->UpdateOpener();
   }
 }
 
-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));
     }
   }
 }
 
 void RenderFrameHostManager::SwapOutOldFrame(
     std::unique_ptr<RenderFrameHostImpl> old_render_frame_host) {
   TRACE_EVENT1("navigation", "RenderFrameHostManager::SwapOutOldFrame",
                "FrameTreeNode id", frame_tree_node_->frame_tree_node_id());
 
   // Tell the renderer to suppress any further modal dialogs so that we can swap
@@ skipping 2241 matching lines @@
           delegate_->IsHidden()) {
     if (delegate_->IsHidden()) {
       render_frame_host_->GetView()->Hide();
     } else {
       render_frame_host_->GetView()->Show();
     }
   }
 }
 
 }  // namespace content