cros: update app list item view for all apps grid view

ui/app_list/views/app_list_item_view.h

Index: ui/app_list/views/app_list_item_view.h
diff --git a/ui/app_list/views/app_list_item_view.h b/ui/app_list/views/app_list_item_view.h
index 96704385c79cf9962591b3eef66f68e3a569199d..f77a9be3ff32bef132164ca32e887b430ca6c3d9 100644
--- a/ui/app_list/views/app_list_item_view.h
+++ b/ui/app_list/views/app_list_item_view.h
@@ -127,6 +127,7 @@ class APP_LIST_EXPORT AppListItemView : public views::CustomButton,
   // views::View overrides:
   const char* GetClassName() const override;
   void Layout() override;
+  gfx::Size CalculatePreferredSize() const override;
   bool OnKeyPressed(const ui::KeyEvent& event) override;
   bool OnMousePressed(const ui::MouseEvent& event) override;
   void OnMouseReleased(const ui::MouseEvent& event) override;
@@ -151,15 +152,17 @@ class APP_LIST_EXPORT AppListItemView : public views::CustomButton,
 
   std::unique_ptr<views::MenuRunner> context_menu_runner_;
 
-  UIState ui_state_;
+  UIState ui_state_ = UI_STATE_NORMAL;
 
   // True if scroll gestures should contribute to dragging.
-  bool touch_dragging_;
+  bool touch_dragging_ = false;
 
   ImageShadowAnimator shadow_animator_;
 
-  bool is_installing_;
-  bool is_highlighted_;
+  bool is_installing_ = false;
+  bool is_highlighted_ = false;
+
+  const bool is_fullscreen_app_list_enabled_;
 
   base::string16 tooltip_text_;