Renamed app list position flag to --enable-centered-app-list.

ash/wm/app_list_controller.cc

Index: ash/wm/app_list_controller.cc
diff --git a/ash/wm/app_list_controller.cc b/ash/wm/app_list_controller.cc
index b3df2d38ed472a316559d8de24339eb48f77b166..6d63438c9dbbf9a55557a1d6454108efd4b539d3 100644
--- a/ash/wm/app_list_controller.cc
+++ b/ash/wm/app_list_controller.cc
@@ -171,7 +171,7 @@ void AppListController::SetVisible(bool visible, aura::Window* window) {
     aura::Window* root_window = window->GetRootWindow();
     aura::Window* container = GetRootWindowController(root_window)->
         GetContainer(kShellWindowId_AppListContainer);
-    is_centered_ = app_list::switches::IsExperimentalAppListPositionEnabled();
+    is_centered_ = app_list::switches::IsAppListCentered();
     if (is_centered_) {
       // The experimental app list is centered over the primary display.
       view->InitAsBubbleAtFixedLocation(