[Athena] Add status icons and system time to the centered home card

athena/system/background_controller.cc

Index: athena/system/background_controller.cc
diff --git a/athena/system/background_controller.cc b/athena/system/background_controller.cc
index f4d346a745b4d050405db64343fa0f72321dcf99..ef3fb9b9db5fd2e267e1c720803e1d20322028dc 100644
--- a/athena/system/background_controller.cc
+++ b/athena/system/background_controller.cc
@@ -17,8 +17,11 @@ namespace athena {
 class BackgroundView : public views::View {
  public:
   BackgroundView()
-      : time_view_(SystemUI::Get()->CreateTimeView()),
-        status_icon_view_(SystemUI::Get()->CreateStatusIconView()) {
+      : time_view_(NULL),
+        status_icon_view_(NULL) {
+    time_view_ = SystemUI::Get()->CreateTimeView(SystemUI::COLOR_SCHEME_LIGHT);
+    status_icon_view_ =
+        SystemUI::Get()->CreateStatusIconView(SystemUI::COLOR_SCHEME_LIGHT);
     AddChildView(time_view_);
     AddChildView(status_icon_view_);
   }