[Reland #1] Don't create layout objects for children of display-none iframes.

third_party/WebKit/Source/web/LocalFrameClientImpl.cpp

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 900 matching lines @@
     ContentSecurityPolicyHeaderSource source,
     const std::vector<WebContentSecurityPolicyPolicy>& policies) {
   if (m_webFrame->client()) {
     m_webFrame->client()->didAddContentSecurityPolicy(
         headerValue, static_cast<WebContentSecurityPolicyType>(type),
         static_cast<WebContentSecurityPolicySource>(source), policies);
   }
 }
 
 void LocalFrameClientImpl::didChangeFrameOwnerProperties(
-    HTMLFrameElementBase* frameElement) {
+    HTMLFrameOwnerElement* frameElement) {
   if (!m_webFrame->client())
     return;
 
   m_webFrame->client()->didChangeFrameOwnerProperties(
       WebFrame::fromFrame(frameElement->contentFrame()),
       WebFrameOwnerProperties(
           frameElement->browsingContextContainerName(),
           frameElement->scrollingMode(), frameElement->marginWidth(),
           frameElement->marginHeight(), frameElement->allowFullscreen(),
-          frameElement->allowPaymentRequest(), frameElement->csp(),
-          frameElement->delegatedPermissions(),
+          frameElement->allowPaymentRequest(), frameElement->isDisplayNone(),
+          frameElement->csp(), frameElement->delegatedPermissions(),
           frameElement->allowedFeatures()));
 }
 
 void LocalFrameClientImpl::dispatchWillStartUsingPeerConnectionHandler(
     WebRTCPeerConnectionHandler* handler) {
   m_webFrame->client()->willStartUsingPeerConnectionHandler(handler);
 }
 
 bool LocalFrameClientImpl::allowWebGL(bool enabledPerSettings) {
   if (m_webFrame->client())
@@ skipping 76 matching lines @@
 KURL LocalFrameClientImpl::overrideFlashEmbedWithHTML(const KURL& url) {
   return m_webFrame->client()->overrideFlashEmbedWithHTML(WebURL(url));
 }
 
 void LocalFrameClientImpl::setHasReceivedUserGesture() {
   if (m_webFrame->client())
     m_webFrame->client()->setHasReceivedUserGesture();
 }
 
 }  // namespace blink