Send UpdateState when detaching a RenderFrame in FNE-enabled modes.

content/renderer/render_frame_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/renderer/render_frame_impl.h"
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 2833 matching lines @@
                                     DetachType type) {
   // NOTE: This function is called on the frame that is being detached and not
   // the parent frame.  This is different from createChildFrame() which is
   // called on the parent frame.
   DCHECK_EQ(frame_, frame);
 
   FOR_EACH_OBSERVER(RenderFrameObserver, observers_, FrameDetached());
   FOR_EACH_OBSERVER(RenderViewObserver, render_view_->observers(),
                     FrameDetached(frame));
 
+  // Send a state update before the frame is detached.
+  if (SiteIsolationPolicy::UseSubframeNavigationEntries())
+    SendUpdateState();
+
   // We only notify the browser process when the frame is being detached for
   // removal and it was initiated from the renderer process.
   if (!in_browser_initiated_detach_ && type == DetachType::Remove)
     Send(new FrameHostMsg_Detach(routing_id_));
 
   // Clean up the associated RenderWidget for the frame, if there is one.
   if (render_widget_) {
     render_widget_->UnregisterRenderFrame(this);
     render_widget_->CloseForFrame();
   }
@@ skipping 3470 matching lines @@
   // event target. Potentially a Pepper plugin will receive the event.
   // In order to tell whether a plugin gets the last mouse event and which it
   // is, we set |pepper_last_mouse_event_target_| to null here. If a plugin gets
   // the event, it will notify us via DidReceiveMouseEvent() and set itself as
   // |pepper_last_mouse_event_target_|.
   pepper_last_mouse_event_target_ = nullptr;
 #endif
 }
 
 }  // namespace content