RemoveScrollbar   490 cc/layers/layer_impl.h   void RemoveScrollbar(ScrollbarLayerImplBase* layer);
RemoveScrollbar    56 cc/layers/scrollbar_layer_impl_base.cc     scroll_layer_->RemoveScrollbar(this);
RemoveScrollbar    68 cc/layers/scrollbar_layer_impl_base.cc     clip_layer_->RemoveScrollbar(this);