Athena: Adding basic resource management framework (un-/re-loading) of V2 applications

athena/activity/public/activity.h

Index: athena/activity/public/activity.h
diff --git a/athena/activity/public/activity.h b/athena/activity/public/activity.h
index 74a6c41123612bf482eb17c9343ed125fa6bff0a..041449b6721cadd043ada2540febd38746be5470 100644
--- a/athena/activity/public/activity.h
+++ b/athena/activity/public/activity.h
@@ -9,6 +9,10 @@
 
 #include "athena/athena_export.h"
 
+namespace aura {
+class Window;
+}
+
 namespace athena {
 
 class ActivityViewModel;
@@ -72,6 +76,10 @@ class ATHENA_EXPORT Activity {
 
   // Returns the current media state.
   virtual ActivityMediaState GetMediaState() = 0;
+
+  // Returns the window for the activity. This can be used to determine the
+  // stacking order of this activity against others.
+  virtual aura::Window* GetWindow() = 0;
 };
 
 }  // namespace athena