"Top Document Isolation" mode

content/browser/frame_host/render_frame_host_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/render_frame_host_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 300 matching lines @@
 }
 
 SiteInstanceImpl* RenderFrameHostImpl::GetSiteInstance() {
   return site_instance_.get();
 }
 
 RenderProcessHost* RenderFrameHostImpl::GetProcess() {
   return process_;
 }
 
-RenderFrameHost* RenderFrameHostImpl::GetParent() {
+RenderFrameHostImpl* RenderFrameHostImpl::GetParent() {
   FrameTreeNode* parent_node = frame_tree_node_->parent();
   if (!parent_node)
     return NULL;
   return parent_node->current_frame_host();
 }
 
 int RenderFrameHostImpl::GetFrameTreeNodeId() {
   return frame_tree_node_->frame_tree_node_id();
 }
 
@@ skipping 2383 matching lines @@
   FrameTreeNode* focused_frame_tree_node = frame_tree_->GetFocusedFrame();
   if (!focused_frame_tree_node)
     return;
   RenderFrameHostImpl* focused_frame =
       focused_frame_tree_node->current_frame_host();
   DCHECK(focused_frame);
   dst->focused_tree_id = focused_frame->GetAXTreeID();
 }
 
 }  // namespace content