Adds the test expectations of home card bounds.

athena/home/public/home_card.h

Index: athena/home/public/home_card.h
diff --git a/athena/home/public/home_card.h b/athena/home/public/home_card.h
index 5f3c1b2345c9ac7ed8dc5e23f729ed3e0638dbcb..2a025ada7e7dcc484a4ad18368bef23db91c2cfb 100644
--- a/athena/home/public/home_card.h
+++ b/athena/home/public/home_card.h
@@ -11,6 +11,10 @@ namespace app_list {
 class SearchProvider;
 }
 
+namespace aura {
+class Window;
+}
+
 namespace gfx {
 class Rect;
 }
@@ -57,6 +61,9 @@ class ATHENA_EXPORT HomeCard {
   // |bounds| indicates that the virtual keyboard is not visible anymore.
   virtual void UpdateVirtualKeyboardBounds(
       const gfx::Rect& bounds) = 0;
+
+  // Returns the aura::Window for home card. This is used for testing.
+  virtual aura::Window* GetHomeCardWindowForTest() = 0;

[oshima, 2014/08/28 00:03:13]

Since the test reside in impl directory, can we keep it in HomeCardImpl?

[Jun Mukai, 2014/08/28 00:43:33]

Done.

 };
 
 }  // namespace athena