Make the minimized home card not overlap activities on Athena

athena/test/athena_test_helper.h

Index: athena/test/athena_test_helper.h
diff --git a/athena/test/athena_test_helper.h b/athena/test/athena_test_helper.h
index 7b7a2a02a6c81c6833b7a647f9f4b67ad4a5dcf9..a2bff538b54c25ff59ce99567db79fa1eb64b149 100644
--- a/athena/test/athena_test_helper.h
+++ b/athena/test/athena_test_helper.h
@@ -33,6 +33,7 @@ class InputMethodEventFilter;
 
 namespace athena {
 namespace test {
+class TestScreenManagerDelegate;
 
 // A helper class owned by tests that does common initialization required for
 // Athena use. This class creates a root window with clients and other objects
@@ -63,6 +64,7 @@ class AthenaTestHelper {
 
   scoped_ptr<aura::WindowTreeHost> host_;
   scoped_ptr<aura::TestScreen> test_screen_;
+  scoped_ptr<TestScreenManagerDelegate> screen_manager_delegate_;
   scoped_ptr<aura::client::FocusClient> focus_client_;
   scoped_ptr< ::wm::InputMethodEventFilter> input_method_filter_;
   scoped_ptr<ui::ScopedAnimationDurationScaleMode> zero_duration_mode_;