Move ContentsView::NamedPage to AppListModel::ShowState.

ui/app_list/app_list_model.h

Index: ui/app_list/app_list_model.h
diff --git a/ui/app_list/app_list_model.h b/ui/app_list/app_list_model.h
index 07ab33c174bff85d23ecdbeb4111cef75c7018e3..6b7cadfddf4642e9a1698089d94d3132a9ef947a 100644
--- a/ui/app_list/app_list_model.h
+++ b/ui/app_list/app_list_model.h
@@ -39,6 +39,14 @@ class APP_LIST_EXPORT AppListModel : public AppListItemListObserver {
     STATUS_SYNCING,  // Syncing apps or installing synced apps.
   };
 
+  enum ShowState {
+    SHOW_APPS,

[Matt Giuca, 2014/10/24 03:23:48]

nit: These should be SHOW_STATE_foo.

[calamity, 2014/10/24 06:26:35]

renamed to State.

+    SHOW_SEARCH_RESULTS,
+    SHOW_START,

[Matt Giuca, 2014/10/24 03:23:48]

Should there be a SHOW_STATE_CUSTOM? (Or is that coming later... whatever, I
won't block on it.)

[calamity, 2014/10/24 06:26:35]

Yeah, I had it here before. We'll define it when we need it.

+
+    INVALID_SHOW_STATE,
+  };
+
   typedef ui::ListModel<SearchResult> SearchResults;
 
   AppListModel();