make menus, bubbles, etc. top level windows on aura

ui/views/widget/native_widget_aura.cc

Index: ui/views/widget/native_widget_aura.cc
diff --git a/ui/views/widget/native_widget_aura.cc b/ui/views/widget/native_widget_aura.cc
index af94f37323d1ac96475015fe4ab9911231361318..ca0e22d8327b20f47f63af0fea0bccdbf844ae07 100644
--- a/ui/views/widget/native_widget_aura.cc
+++ b/ui/views/widget/native_widget_aura.cc
@@ -636,6 +636,9 @@ gfx::Size NativeWidgetAura::GetMaximumSize() const {
   return delegate_->GetMaximumSize();
 }
 
+void NativeWidgetAura::SetHostTransitionBounds(const gfx::Rect& bounds) {
+}
+
 void NativeWidgetAura::OnBoundsChanged(const gfx::Rect& old_bounds,
                                        const gfx::Rect& new_bounds) {
   if (old_bounds.origin() != new_bounds.origin())
@@ -717,6 +720,9 @@ void NativeWidgetAura::OnWindowDestroyed() {
     delete this;
 }
 
+void NativeWidgetAura::OnWindowHidingAnimationCompleted() {
+}
+
 void NativeWidgetAura::OnWindowTargetVisibilityChanged(bool visible) {
   delegate_->OnNativeWidgetVisibilityChanged(visible);
 }