Remove Widget::OnRootViewLayout().

ui/views/widget/desktop_aura/desktop_native_widget_aura.cc

Index: ui/views/widget/desktop_aura/desktop_native_widget_aura.cc
diff --git a/ui/views/widget/desktop_aura/desktop_native_widget_aura.cc b/ui/views/widget/desktop_aura/desktop_native_widget_aura.cc
index 0a8dca11691649205e875eaa804ddcc592b65cd9..24d40a35417200bbdc3b10851de16c7a8a903e4d 100644
--- a/ui/views/widget/desktop_aura/desktop_native_widget_aura.cc
+++ b/ui/views/widget/desktop_aura/desktop_native_widget_aura.cc
@@ -934,11 +934,6 @@ ui::NativeTheme* DesktopNativeWidgetAura::GetNativeTheme() const {
   return DesktopWindowTreeHost::GetNativeTheme(content_window_);
 }
 
-void DesktopNativeWidgetAura::OnRootViewLayout() {
-  if (content_window_)
-    desktop_window_tree_host_->OnRootViewLayout();
-}
-
 bool DesktopNativeWidgetAura::IsTranslucentWindowOpacitySupported() const {
   return content_window_ &&
       desktop_window_tree_host_->IsTranslucentWindowOpacitySupported();