[Mac] DialogBrowserTest implementation to invoke Content settings bubble dialogs.

ui/views/test/widget_test_aura.cc

 // Copyright 2014 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 "ui/views/test/widget_test.h"
 
 #include "build/build_config.h"
 #include "ui/aura/client/focus_client.h"
 #include "ui/aura/mus/window_tree_client.h"
 #include "ui/aura/test/aura_test_helper.h"
@@ skipping 145 matching lines @@
   return widget->GetNativeWindow()->GetRootWindow()->GetHost();
 }
 
 // static
 bool WidgetTest::IsNativeWindowTransparent(gfx::NativeWindow window) {
   return window->transparent();
 }
 
 // static
 Widget::Widgets WidgetTest::GetAllWidgets() {
-  std::vector<aura::Window*> toplevel = GetAllTopLeveLWindows();
+  std::vector<aura::Window*> toplevels = GetAllTopLeveLWindows();
   Widget::Widgets all_widgets;
-  for (aura::Window* root : toplevel)
-    Widget::GetAllChildWidgets(root, &all_widgets);
+  for (aura::Window* window : toplevels)
+    Widget::GetAllChildWidgets(window->GetRootWindow(), &all_widgets);
   return all_widgets;
 }
 
 }  // namespace test
 }  // namespace views