Plumb the correct owner document through DocumentInit::m_owner.

chrome/browser/apps/guest_view/web_view_browsertest.cc

Index: chrome/browser/apps/guest_view/web_view_browsertest.cc
diff --git a/chrome/browser/apps/guest_view/web_view_browsertest.cc b/chrome/browser/apps/guest_view/web_view_browsertest.cc
index 54645635bdece3348d4b6cb0b61e17c47d225d96..551e35d9eeb3918100afab4f250f59faa065af6c 100644
--- a/chrome/browser/apps/guest_view/web_view_browsertest.cc
+++ b/chrome/browser/apps/guest_view/web_view_browsertest.cc
@@ -2047,14 +2047,9 @@ IN_PROC_BROWSER_TEST_P(WebViewTest, ChromeVoxInjection) {
 #define MAYBE_TearDownTest TearDownTest
 #endif
 IN_PROC_BROWSER_TEST_P(WebViewTest, MAYBE_TearDownTest) {
-  const extensions::Extension* extension =
-      LoadAndLaunchPlatformApp("web_view/simple", "WebViewTest.LAUNCHED");
-  extensions::AppWindow* window = NULL;
-  if (!GetAppWindowCount())
-    window = CreateAppWindow(extension);
-  else
-    window = GetFirstAppWindow();
-  CloseAppWindow(window);
+  LoadAndLaunchPlatformApp("web_view/simple", "WebViewTest.LAUNCHED");
+  ASSERT_TRUE(GetAppWindowCount());
+  CloseAppWindow(GetFirstAppWindow());
 
   // Load the app again.
   LoadAndLaunchPlatformApp("web_view/simple", "WebViewTest.LAUNCHED");