Set plugin focus by implementing HTMLPlugInElement::SetFocused.

third_party/WebKit/Source/core/html/HTMLFrameElementBase.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Simon Hausmann (hausmann@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2006, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 194 matching lines @@
   url_ = AtomicString(str);
 
   if (isConnected())
     OpenURL(false);
 }
 
 bool HTMLFrameElementBase::SupportsFocus() const {
   return true;
 }
 
-void HTMLFrameElementBase::SetFocused(bool received) {
-  HTMLFrameOwnerElement::SetFocused(received);
+void HTMLFrameElementBase::SetFocused(bool received, WebFocusType focus_type) {
+  HTMLFrameOwnerElement::SetFocused(received, focus_type);
   if (Page* page = GetDocument().GetPage()) {
     if (received) {
       page->GetFocusController().SetFocusedFrame(ContentFrame());
     } else if (page->GetFocusController().FocusedFrame() == ContentFrame()) {
       // Focus may have already been given to another frame, don't take it away.
       page->GetFocusController().SetFocusedFrame(nullptr);
     }
   }
 }
 
@@ skipping 44 matching lines @@
 
   if (contentDocument()) {
     contentDocument()->WillChangeFrameOwnerProperties(
         margin_width_, margin_height, scrolling_mode_, IsDisplayNone());
   }
   margin_height_ = margin_height;
   FrameOwnerPropertiesChanged();
 }
 
 }  // namespace blink