Using WebContents::UpdateTitleForEntry() instead of NavigationEntry::SetTitle()

extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.cc

 // Copyright 2014 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 "extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.h"
 
 #include <utility>
 
 #include "base/strings/stringprintf.h"
 #include "components/guest_view/common/guest_view_constants.h"
@@ skipping 164 matching lines @@
   // URL of the mime handler will be displayed.
   if (changed_flags & content::INVALIDATE_TYPE_URL)
     return;
 
   if (!is_full_page_plugin())
     return;
 
   content::NavigationEntry* last_committed_entry =
       embedder_web_contents()->GetController().GetLastCommittedEntry();
   if (last_committed_entry) {
-    last_committed_entry->SetTitle(source->GetTitle());
+    embedder_web_contents()->UpdateTitleForEntry(last_committed_entry,
+                                                 source->GetTitle());
     embedder_web_contents()->GetDelegate()->NavigationStateChanged(
         embedder_web_contents(), changed_flags);
   }
 }
 
 bool MimeHandlerViewGuest::HandleContextMenu(
     const content::ContextMenuParams& params) {
   if (delegate_)
     return delegate_->HandleContextMenu(web_contents(), params);
 
@@ skipping 39 matching lines @@
           element_instance_id()));
 }
 
 base::WeakPtr<StreamContainer> MimeHandlerViewGuest::GetStream() const {
   if (!stream_)
     return base::WeakPtr<StreamContainer>();
   return stream_->GetWeakPtr();
 }
 
 }  // namespace extensions