Plumb the correct owner document through DocumentInit::m_owner.

third_party/WebKit/Source/web/WebLocalFrameImpl.h

 /*
  * Copyright (C) 2009 Google 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 74 matching lines @@
     void setContentSettingsClient(WebContentSettingsClient*) override;
     void setSharedWorkerRepositoryClient(WebSharedWorkerRepositoryClient*) override;
     WebSize scrollOffset() const override;
     void setScrollOffset(const WebSize&) override;
     WebSize contentsSize() const override;
     bool hasVisibleContent() const override;
     WebRect visibleContentRect() const override;
     bool hasHorizontalScrollbar() const override;
     bool hasVerticalScrollbar() const override;
     WebView* view() const override;
-    void setOpener(WebFrame*) override;
     WebDocument document() const override;
     WebPerformance performance() const override;
     bool dispatchBeforeUnloadEvent() override;
     void dispatchUnloadEvent() override;
     NPObject* windowObject() const override;
     void bindToWindowObject(const WebString& name, NPObject*) override;
     void bindToWindowObject(const WebString& name, NPObject*, void*) override;
     void executeScript(const WebScriptSource&) override;
     void executeScriptInIsolatedWorld(
         int worldID, const WebScriptSource* sources, unsigned numSources,
@@ skipping 147 matching lines @@
     int selectNearestFindMatch(const WebFloatPoint&, WebRect* selectionRect) override;
     void setTickmarks(const WebVector<WebRect>&) override;
 
     // WebFrameImplBase methods:
     void initializeCoreFrame(FrameHost*, FrameOwner*, const AtomicString& name, const AtomicString& uniqueName) override;
     LocalFrame* frame() const override { return m_frame.get(); }
 
     void willBeDetached();
     void willDetachParent();
 
-    static WebLocalFrameImpl* create(WebTreeScopeType, WebFrameClient*);
+    static WebLocalFrameImpl* create(WebTreeScopeType, WebFrameClient*, WebFrame* opener);
     static WebLocalFrameImpl* createProvisional(WebFrameClient*, WebRemoteFrame*, WebSandboxFlags, const WebFrameOwnerProperties&);
     ~WebLocalFrameImpl() override;
 
     PassRefPtrWillBeRawPtr<LocalFrame> createChildFrame(const FrameLoadRequest&, const AtomicString& name, HTMLFrameOwnerElement*);
 
     void didChangeContentsSize(const IntSize&);
 
     void createFrameView();
 
     static WebLocalFrameImpl* fromFrame(LocalFrame*);
@@ skipping 136 matching lines @@
     // cleared upon close().
     SelfKeepAlive<WebLocalFrameImpl> m_selfKeepAlive;
 #endif
 };
 
 DEFINE_TYPE_CASTS(WebLocalFrameImpl, WebFrame, frame, frame->isWebLocalFrame(), frame.isWebLocalFrame());
 
 } // namespace blink
 
 #endif