MacViews: Get widget_interactive_uitest compiling on Mac

ui/views/test/widget_test.h

Index: ui/views/test/widget_test.h
diff --git a/ui/views/test/widget_test.h b/ui/views/test/widget_test.h
index 1c06fac06636818ef442de354b93d803419a0006..abf928fe5c3a81dba891920e74f703fdad9b8dce 100644
--- a/ui/views/test/widget_test.h
+++ b/ui/views/test/widget_test.h
@@ -98,6 +98,10 @@ class WidgetTest : public ViewsTestBase {
   // processor.
   static ui::EventProcessor* GetEventProcessor(Widget* widget);
 
+  // For interactive tests, the window currently with focus on the desktop.
+  // |widget_context| is used to determine the root window.
+  static gfx::NativeWindow CurrentlyFocussedWindow(Widget* widget_context);

[sky, 2014/08/05 17:15:52]

This is confusing that it takes a widget_context, and I don't think it really
returns the focused nativewindow for desktop aura. I also think this should move
to the one place that needs it.

[sky, 2014/08/05 17:15:52]

focused

+
  private:
   DISALLOW_COPY_AND_ASSIGN(WidgetTest);
 };