Plumb the correct owner document through DocumentInit::m_owner.

chrome/browser/apps/app_browsertest.cc

Index: chrome/browser/apps/app_browsertest.cc
diff --git a/chrome/browser/apps/app_browsertest.cc b/chrome/browser/apps/app_browsertest.cc
index ebe77d91375c4d5a211c11ffdb1729cfd04c5021..6f2c6cff52a60458a63ca592870a9957e816bfce 100644
--- a/chrome/browser/apps/app_browsertest.cc
+++ b/chrome/browser/apps/app_browsertest.cc
@@ -270,7 +270,8 @@ const char kTestFilePath[] = "platform_apps/launch_files/test.txt";
 // ash, so we test that it works here.
 IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, CreateAndCloseAppWindow) {
   const Extension* extension = LoadAndLaunchPlatformApp("minimal", "Launched");
-  AppWindow* window = CreateAppWindow(extension);
+  AppWindow* window =
+      CreateAppWindow(extension, GetFirstAppWindowWebContents());
   CloseAppWindow(window);
 }
 
@@ -760,7 +761,8 @@ IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest,
                        AppWindowAdjustBoundsToBeVisibleOnScreen) {
   const Extension* extension = LoadAndLaunchPlatformApp("minimal", "Launched");
 
-  AppWindow* window = CreateAppWindow(extension);
+  AppWindow* window =
+      CreateAppWindow(extension, GetFirstAppWindowWebContents());
 
   // The screen bounds didn't change, the cached bounds didn't need to adjust.
   gfx::Rect cached_bounds(80, 100, 400, 400);