NOT YET READY: Improve granularity of window namespaces in Blink.

third_party/WebKit/Source/web/WebFactoryImpl.cpp

 // Copyright 2017 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 "web/WebFactoryImpl.h"
 #include "web/ChromeClientImpl.h"
 #include "web/WebLocalFrameImpl.h"
 #include "web/WebViewImpl.h"
 
 namespace blink {
 
 void WebFactoryImpl::Initialize() {
   WebFactory::SetInstance(*(new WebFactoryImpl()));
 }
 
 ChromeClient* WebFactoryImpl::CreateChromeClient(WebViewBase* view) const {
   return ChromeClientImpl::Create(view);
 }
 
-WebViewBase* WebFactoryImpl::CreateWebViewBase(
-    WebViewClient* client,
-    WebPageVisibilityState state) const {
-  return WebViewImpl::Create(client, state);
+WebViewBase* WebFactoryImpl::CreateWebViewBase(WebViewClient* client,
+                                               WebPageVisibilityState state,
+                                               WebViewBase* opener) const {
+  return WebViewImpl::Create(client, state, static_cast<WebViewImpl*>(opener));
 }
 
 WebLocalFrameBase* WebFactoryImpl::CreateWebLocalFrameBase(
     WebTreeScopeType type,
     WebFrameClient* client,
     blink::InterfaceProvider* provider,
     blink::InterfaceRegistry* registry,
     WebFrame* opener) const {
   return WebLocalFrameImpl::Create(type, client, provider, registry, opener);
 }
 }