[Extensions] Expand testing overrides for extension warning bubbles

chrome/browser/ui/cocoa/website_settings/permission_bubble_cocoa_browser_test.mm

 // Copyright 2015 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/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #include "chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h"
 #import "chrome/browser/ui/cocoa/website_settings/permission_bubble_cocoa.h"
 #include "chrome/browser/ui/website_settings/permission_bubble_browser_test_util.h"
@@ skipping 32 matching lines @@
       [[FullscreenWindowManager alloc] initWithWindow:window
                                         desiredScreen:[NSScreen mainScreen]]);
   EXPECT_TRUE(bubble.HasLocationBar());
   [manager enterFullscreenMode];
   EXPECT_TRUE(bubble.HasLocationBar());
   [manager exitFullscreenMode];
   EXPECT_TRUE(bubble.HasLocationBar());
   bubble.Hide();
 }
 
-IN_PROC_BROWSER_TEST_F(PermissionBubbleAppBrowserTest, AppHasNoLocationBar) {
-  PermissionBubbleCocoa bubble(app_browser());
+IN_PROC_BROWSER_TEST_F(PermissionBubbleBrowserTest, AppHasNoLocationBar) {
+  Browser* app_browser = OpenExtensionAppWindow();
+  PermissionBubbleCocoa bubble(app_browser);
   bubble.SetDelegate(test_delegate());
   bubble.Show(requests(), accept_states());
   EXPECT_FALSE(bubble.HasLocationBar());
   bubble.Hide();
 }
 
 // http://crbug.com/470724
 // Kiosk mode on Mac has a location bar but it shouldn't.
 IN_PROC_BROWSER_TEST_F(PermissionBubbleKioskBrowserTest,
                        DISABLED_KioskHasNoLocationBar) {
@@ skipping 52 matching lines @@
   NSPoint withLocationBar = bubble.GetAnchorPoint();
 
   ON_CALL(bubble, HasLocationBar()).WillByDefault(testing::Return(false));
   NSPoint withoutLocationBar = bubble.GetAnchorPoint();
 
   // The bubble should be in different places depending if the location bar is
   // available or not.
   EXPECT_NSNE(withLocationBar, withoutLocationBar);
   bubble.Hide();
 }