On remote frame's (re)attachment, connect its widget.

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 14 matching lines @@
 #include "core/html/HTMLFrameElementBase.h"
 
 #include "bindings/core/v8/ScriptController.h"
 #include "bindings/core/v8/ScriptEventListener.h"
 #include "core/HTMLNames.h"
 #include "core/dom/Attribute.h"
 #include "core/dom/Document.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/RemoteFrame.h"
+#include "core/frame/RemoteFrameView.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/layout/LayoutPart.h"
 #include "core/loader/FrameLoader.h"
 #include "core/page/FocusController.h"
 #include "core/page/Page.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
@@ skipping 118 matching lines @@
 }
 
 void HTMLFrameElementBase::attach(const AttachContext& context)
 {
     HTMLFrameOwnerElement::attach(context);
 
     if (layoutPart()) {
         if (Frame* frame = contentFrame()) {
             if (frame->isLocalFrame())
                 setWidget(toLocalFrame(frame)->view());
+            else if (frame->isRemoteFrame())
+                setWidget(toRemoteFrame(frame)->view());
         }
     }
 }
 
 void HTMLFrameElementBase::setLocation(const String& str)
 {
     m_URL = AtomicString(str);
 
     if (inDocument())
         openURL(false);
@@ skipping 36 matching lines @@
 void HTMLFrameElementBase::defaultEventHandler(Event* event)
 {
     if (contentFrame() && contentFrame()->isRemoteFrame()) {
         toRemoteFrame(contentFrame())->forwardInputEvent(event);
         return;
     }
     HTMLFrameOwnerElement::defaultEventHandler(event);
 }
 
 } // namespace blink