WIP - loop in LayoutManager for preferred size changes (2)

ui/views/layout/layout_manager.cc

Index: ui/views/layout/layout_manager.cc
diff --git a/ui/views/layout/layout_manager.cc b/ui/views/layout/layout_manager.cc
index 188cc6f14fc8e1f5cb3c696f26796b2796614085..78144fc9f24921b624b2ba669844fc6531c881b3 100644
--- a/ui/views/layout/layout_manager.cc
+++ b/ui/views/layout/layout_manager.cc
@@ -27,4 +27,11 @@ void LayoutManager::ViewAdded(View* host, View* view) {
 void LayoutManager::ViewRemoved(View* host, View* view) {
 }
 
+void LayoutManager::OnChildPreferredSizeChanged(View* host, View* child) {
+}
+
+void LayoutManager::HostPreferredSizeShouldChange(View* host) {
+  host->PreferredSizeChanged();
+}
+
 }  // namespace views