Remove app_shell chrome.shell API and ShellAppWindow

athena/activity/public/activity_factory.h

Index: athena/activity/public/activity_factory.h
diff --git a/athena/activity/public/activity_factory.h b/athena/activity/public/activity_factory.h
index e69ee7a65683eac8d9e03ebbe5088bf19da62fff..d38e31da56f9f277cfe67a9e04fbc67730f8b4d9 100644
--- a/athena/activity/public/activity_factory.h
+++ b/athena/activity/public/activity_factory.h
@@ -14,7 +14,6 @@ class BrowserContext;
 
 namespace extensions {
 class AppWindow;
-class ShellAppWindow;
 }
 
 namespace views {
@@ -43,13 +42,6 @@ class ATHENA_EXPORT ActivityFactory {
                                       const base::string16& title,
                                       const GURL& url) = 0;
 
-  // Create an activity of an app with |app_window| for app shell environemnt.
-  // The returned activity should own |app_window|.
-  // TODO(oshima): Consolidate these two methods to create AppActivity
-  // once crbug.com/403726 is finished.
-  virtual Activity* CreateAppActivity(extensions::ShellAppWindow* app_window,
-                                      const std::string& id) = 0;
-
   // Create an activity of an app with |app_window| for chrome environment and
   // |web_view| that will host the content.
   virtual Activity* CreateAppActivity(extensions::AppWindow* app_window,