Make the minimized home card not overlap activities on Athena

ui/aura/test/test_screen.h

Index: ui/aura/test/test_screen.h
diff --git a/ui/aura/test/test_screen.h b/ui/aura/test/test_screen.h
index 2eefaaefbe3dadb0d8075b2cb954d8bad5d2b7df..731000893d6fc4e2e334af302fd8f24210100333 100644
--- a/ui/aura/test/test_screen.h
+++ b/ui/aura/test/test_screen.h
@@ -11,6 +11,7 @@
 #include "ui/gfx/screen.h"
 
 namespace gfx {
+class Insets;
 class Rect;
 class Transform;
 }
@@ -35,6 +36,7 @@ class TestScreen : public gfx::Screen,
   void SetDeviceScaleFactor(float device_scale_fator);
   void SetDisplayRotation(gfx::Display::Rotation rotation);
   void SetUIScale(float ui_scale);
+  void SetWorkAreaInsets(const gfx::Insets& insets);
 
  protected:
   gfx::Transform GetRotationTransform() const;