Plumb the correct owner document through DocumentInit::m_owner.

chrome/browser/extensions/api/tabs/ash_panel_contents.h

 // Copyright 2013 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_TABS_ASH_PANEL_CONTENTS_H_
 #define CHROME_BROWSER_EXTENSIONS_API_TABS_ASH_PANEL_CONTENTS_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 19 matching lines @@
 // an extensions::WindowController instance for interfacing with the v1
 // extensions API.
 class AshPanelContents
     : public extensions::AppWindowContents,
       public LauncherFaviconLoader::Delegate {
  public:
   explicit AshPanelContents(extensions::AppWindow* host);
   ~AshPanelContents() override;
 
   // extensions::AppWindowContents
-  void Initialize(content::BrowserContext* context, const GURL& url) override;
+  void Initialize(content::BrowserContext* context,
+                  content::RenderFrameHost* creator_frame,
+                  const GURL& url) override;
   void LoadContents(int32_t creator_process_id) override;
   void NativeWindowChanged(
       extensions::NativeAppWindow* native_app_window) override;
   void NativeWindowClosed() override;
   void DispatchWindowShownForTests() const override;
   void OnWindowReady() override;
   content::WebContents* GetWebContents() const override;
   extensions::WindowController* GetWindowController() const override;
 
   // LauncherFaviconLoader::Delegate overrides:
   void FaviconUpdated() override;
 
   LauncherFaviconLoader* launcher_favicon_loader_for_test() {
     return launcher_favicon_loader_.get();
   }
 
  private:
   extensions::AppWindow* host_;
   GURL url_;
   scoped_ptr<content::WebContents> web_contents_;
   scoped_ptr<LauncherFaviconLoader> launcher_favicon_loader_;
 
   DISALLOW_COPY_AND_ASSIGN(AshPanelContents);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_TABS_ASH_PANEL_CONTENTS_H_