Experimental app list: Added a current page indicator to the launcher.

ui/app_list/views/contents_view.cc

Index: ui/app_list/views/contents_view.cc
diff --git a/ui/app_list/views/contents_view.cc b/ui/app_list/views/contents_view.cc
index 452e4fdfc2d17aba57f8218b3e880806ecc1afb7..47f3dd72564b3fcbb2465f87d360e254c667ffb8 100644
--- a/ui/app_list/views/contents_view.cc
+++ b/ui/app_list/views/contents_view.cc
@@ -76,6 +76,8 @@ void ContentsView::InitNamedPages(AppListModel* model,
     initial_page_index = GetPageIndexForNamedPage(NAMED_PAGE_START);
 
   pagination_model_.SelectPage(initial_page_index, false);
+  if (contents_switcher_view_)
+    contents_switcher_view_->SelectedPageChanged(-1, initial_page_index);
 
   // Needed to update the main search box visibility.
   ActivePageChanged(false);
@@ -318,6 +320,8 @@ void ContentsView::TotalPagesChanged() {
 }
 
 void ContentsView::SelectedPageChanged(int old_selected, int new_selected) {
+  if (contents_switcher_view_)
+    contents_switcher_view_->SelectedPageChanged(old_selected, new_selected);
 }
 
 void ContentsView::TransitionStarted() {