cleanup: Remove dead code in launcher_view.

ash/launcher/launcher_view.cc

Index: ash/launcher/launcher_view.cc
diff --git a/ash/launcher/launcher_view.cc b/ash/launcher/launcher_view.cc
index fdcbdb0ba7abfa6a771c79ef2f9b220c7b9c9b14..9ce72b20452ded22d8a130b66bcf7babf7b5b56d 100644
--- a/ash/launcher/launcher_view.cc
+++ b/ash/launcher/launcher_view.cc
@@ -686,22 +686,6 @@ void LauncherView::ConfigureChildView(views::View* view) {
   view->layer()->SetFillsBoundsOpaquely(false);
 }
 
-void LauncherView::GetOverflowItems(std::vector<LauncherItem>* items) {
-  int index = 0;
-  while (index < view_model_->view_size() &&
-         view_model_->view_at(index)->visible()) {
-    index++;
-  }
-  while (index < view_model_->view_size()) {
-    const LauncherItem& item = model_->items()[index];
-    if (item.type == TYPE_TABBED ||
-        item.type == TYPE_APP_PANEL ||
-        item.type == TYPE_APP_SHORTCUT)
-      items->push_back(item);
-    index++;
-  }
-}
-
 void LauncherView::ShowOverflowBubble() {
   int first_overflow_index = last_visible_index_ + 1;
   DCHECK_LT(first_overflow_index, view_model_->view_size() - 1);