Add profile selector menu to app list.

ui/app_list/pagination_model.cc

Index: ui/app_list/pagination_model.cc
diff --git a/ui/app_list/pagination_model.cc b/ui/app_list/pagination_model.cc
index 2bf69020ab87950d110cba73853c6bbd9bbe135a..d89b4ac541225143f98b5ce44ef4634bf48724f7 100644
--- a/ui/app_list/pagination_model.cc
+++ b/ui/app_list/pagination_model.cc
@@ -31,8 +31,9 @@ void PaginationModel::SetTotalPages(int total_pages) {
   total_pages_ = total_pages;
   if (selected_page_ < 0)
     SelectPage(0, false /* animate */);
-  if (selected_page_ >= total_pages_)
-    SelectPage(total_pages_ - 1, false /* animate */);
+  if (selected_page_ >= total_pages_) {

[koz (OOO until 15th September), 2013/08/05 01:09:11]

nit: no curlies

+    SelectPage(std::max(total_pages_ - 1, 0), false /* animate */);
+  }
   FOR_EACH_OBSERVER(PaginationModelObserver, observers_, TotalPagesChanged());
 }
 
@@ -82,7 +83,7 @@ void PaginationModel::SelectPage(int page, bool animate) {
       }
     }
   } else {
-    DCHECK(page >= 0 && page < total_pages_);
+    DCHECK(page == 0 || (page > 0 && page < total_pages_));

[koz (OOO until 15th September), 2013/08/05 01:09:11]

This change seems unnecessary.

[calamity, 2013/08/08 04:52:12]

Oops. Should be total_pages_ == 0. This needed to be here to avoid DCHECKing
when notifying the pagination model that apps have been added to the app list
when repopulating the model due to profile switch.

 
     if (page == selected_page_)
       return;