Added HALF, FULLSCREEN_ALL_APPS, and FULLSCREEN_SEARCH.

ui/app_list/presenter/app_list_presenter_impl_unittest.cc

Index: ui/app_list/presenter/app_list_presenter_impl_unittest.cc
diff --git a/ui/app_list/presenter/app_list_presenter_impl_unittest.cc b/ui/app_list/presenter/app_list_presenter_impl_unittest.cc
index 6edb9875f50a603f66be7ead5ebf63bde0946009..70220ef73694245e505389bb98001a2f606cd09c 100644
--- a/ui/app_list/presenter/app_list_presenter_impl_unittest.cc
+++ b/ui/app_list/presenter/app_list_presenter_impl_unittest.cc
@@ -44,7 +44,7 @@ class AppListPresenterDelegateTest : public AppListPresenterDelegate {
             int current_apps_page) override {
     init_called_ = true;
     view_ = view;
-    view->Initialize(container_, current_apps_page);
+    view->Initialize(container_, current_apps_page, false, false);

[newcomer, 2017/06/13 23:00:39]

This will be replaced with test functions for IsSideShelf and IsMaximizeMode in
the next cl.

   }
   void OnShown(int64_t display_id) override { on_shown_called_ = true; }
   void OnDismissed() override { on_dismissed_called_ = true; }