Plumb the correct owner document through DocumentInit::m_owner.

chrome/browser/apps/app_browsertest_util.cc

 // 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.
 
 #include "chrome/browser/apps/app_browsertest_util.h"
 
 #include "base/command_line.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/extensions/api/tabs/tabs_api.h"
 #include "chrome/browser/extensions/extension_function_test_utils.h"
@@ skipping 176 matching lines @@
   return AppWindowRegistry::Get(browser()->profile())->app_windows().size();
 }
 
 size_t PlatformAppBrowserTest::GetAppWindowCountForApp(
     const std::string& app_id) {
   return AppWindowRegistry::Get(browser()->profile())
       ->GetAppWindowsForApp(app_id)
       .size();
 }
 
-AppWindow* PlatformAppBrowserTest::CreateAppWindow(const Extension* extension) {
-  return CreateAppWindowFromParams(extension, AppWindow::CreateParams());
+AppWindow* PlatformAppBrowserTest::CreateAppWindow(
+    content::BrowserContext* context,
+    const Extension* extension) {
+  return CreateAppWindowFromParams(context, extension,
+                                   AppWindow::CreateParams());
 }
 
 AppWindow* PlatformAppBrowserTest::CreateAppWindowFromParams(
+    content::BrowserContext* context,
     const Extension* extension,
     const AppWindow::CreateParams& params) {
   AppWindow* window = new AppWindow(browser()->profile(),
                                     new ChromeAppDelegate(true), extension);
-  window->Init(GURL(std::string()), new AppWindowContentsImpl(window), params);
+  ProcessManager* process_manager = ProcessManager::Get(context);
+  ExtensionHost* background_host =
+      process_manager->GetBackgroundHostForExtension(extension->id());
+  window->Init(GURL(std::string()), new AppWindowContentsImpl(window),
+               background_host->host_contents()->GetMainFrame(), params);
   return window;
 }
 
 void PlatformAppBrowserTest::CloseAppWindow(AppWindow* window) {
   content::WebContentsDestroyedWatcher destroyed_watcher(
       window->web_contents());
   window->GetBaseWindow()->Close();
   destroyed_watcher.Wait();
 }
 
@@ skipping 33 matching lines @@
   return app_window;
 }
 
 void ExperimentalPlatformAppBrowserTest::SetUpCommandLine(
     base::CommandLine* command_line) {
   PlatformAppBrowserTest::SetUpCommandLine(command_line);
   command_line->AppendSwitch(switches::kEnableExperimentalExtensionApis);
 }
 
 }  // namespace extensions