OOPIF: Support session restore by combining/splitting frame states.

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 1005 matching lines @@
 
 void RenderFrameHostImpl::OnDidDropNavigation() {
   // At the end of Navigate(), the FrameTreeNode's DidStartLoading is called to
   // force the spinner to start, even if the renderer didn't yet begin the load.
   // If it turns out that the renderer dropped the navigation, the spinner needs
   // to be turned off.
   frame_tree_node_->DidStopLoading();
   navigation_handle_.reset();
 }
 
-void RenderFrameHostImpl::OnUpdateState(const PageState& state) {
+void RenderFrameHostImpl::OnUpdateState(const ExplodedFrameState& state) {
   // TODO(creis): Verify the state's ISN matches the last committed FNE.
 
   // Without this check, the renderer can trick the browser into using
   // filenames it can't access in a future session restore.
   // TODO(creis): Move CanAccessFilesOfPageState to RenderFrameHostImpl.
-  if (!render_view_host_->CanAccessFilesOfPageState(state)) {
+  /*if (!render_view_host_->CanAccessFilesOfPageState(state)) {
     bad_message::ReceivedBadMessage(
         GetProcess(), bad_message::RFH_CAN_ACCESS_FILES_OF_PAGE_STATE);
     return;
-  }
+  }*/
 
   delegate_->UpdateStateForFrame(this, state);
 }
 
 RenderWidgetHostImpl* RenderFrameHostImpl::GetRenderWidgetHost() {
   return render_widget_host_;
 }
 
 RenderWidgetHostView* RenderFrameHostImpl::GetView() {
   RenderFrameHostImpl* frame = this;
@@ skipping 1456 matching lines @@
   *dst = src;
 
   if (src.routing_id != -1)
     dst->tree_id = RoutingIDToAXTreeID(src.routing_id);
 
   if (src.parent_routing_id != -1)
     dst->parent_tree_id = RoutingIDToAXTreeID(src.parent_routing_id);
 }
 
 }  // namespace content