Fixed experimental app list pagination indicator.

ui/app_list/views/contents_switcher_view.h

Index: ui/app_list/views/contents_switcher_view.h
diff --git a/ui/app_list/views/contents_switcher_view.h b/ui/app_list/views/contents_switcher_view.h
index 168d69df5d7624becb7b0d33986e2d3cd394c975..81b1118f93c9bccacbb3cd280e993c61a6919eb5 100644
--- a/ui/app_list/views/contents_switcher_view.h
+++ b/ui/app_list/views/contents_switcher_view.h
@@ -5,6 +5,8 @@
 #ifndef UI_APP_LIST_VIEWS_CONTENTS_SWITCHER_VIEW_H_
 #define UI_APP_LIST_VIEWS_CONTENTS_SWITCHER_VIEW_H_
 
+#include <map>
+
 #include "base/basictypes.h"
 #include "ui/app_list/pagination_model_observer.h"
 #include "ui/views/controls/button/button.h"
@@ -43,8 +45,8 @@ class ContentsSwitcherView : public views::View,
 
   ContentsView* contents_view_;  // Owned by views hierarchy.
 
-  // Stores Views owned by views hierarchy.
-  std::vector<views::View*> page_active_indicators_;
+  // Maps page indices to Views owned by views hierarchy.
+  std::map<int, views::View*> page_active_indicators_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentsSwitcherView);
 };