Add a separate call to initialize the bounds for a sky <iframe> element.

sky/engine/core/html/HTMLIFrameElement.cpp

 // 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 "config.h"
 #include "core/html/HTMLIFrameElement.h"
 
 #include "core/HTMLNames.h"
 #include "core/frame/LocalFrame.h"
 #include "core/html/parser/HTMLParserIdioms.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "core/rendering/RenderRemote.h"
 
 namespace blink {
 
 PassRefPtr<HTMLIFrameElement> HTMLIFrameElement::create(Document& document)
 {
     return adoptRef(new HTMLIFrameElement(document));
 }
 
 HTMLIFrameElement::HTMLIFrameElement(Document& document)
-    : HTMLElement(HTMLNames::iframeTag, document)
+    : HTMLElement(HTMLNames::iframeTag, document),
+      m_contentView(nullptr)
 {
 }
 
 HTMLIFrameElement::~HTMLIFrameElement()
 {
 }
 
 Node::InsertionNotificationRequest HTMLIFrameElement::insertedInto(ContainerNode* insertionPoint)
 {
     InsertionNotificationRequest result = HTMLElement::insertedInto(insertionPoint);
     if (insertionPoint->inDocument())
         createView();
     return result;
 }
 
 void HTMLIFrameElement::removedFrom(ContainerNode* insertionPoint)
 {
     HTMLElement::removedFrom(insertionPoint);
     if (insertionPoint->inDocument()) {
         // TODO(mpcomplete): Tear down the mojo View.
     }
 }
 
 RenderObject* HTMLIFrameElement::createRenderer(RenderStyle* style)
 {
     return new RenderRemote(this);
 }
 
+void HTMLIFrameElement::OnViewDestroyed(mojo::View* view)
+{
+    DCHECK_EQ(view, m_contentView);
+    m_contentView = nullptr;
+}
+
 void HTMLIFrameElement::createView()
 {
     String urlString = stripLeadingAndTrailingHTMLSpaces(getAttribute(HTMLNames::srcAttr));
     if (urlString.isEmpty())
         urlString = blankURL().string();
 
     LocalFrame* parentFrame = document().frame();
     if (!parentFrame)
         return;
 
     KURL url = document().completeURL(urlString);
-    parentFrame->loaderClient()->createView(url);
+    m_contentView = parentFrame->loaderClient()->createChildFrame(url);
 }
 
 }