Prevents windows in chromeos from resizing bigger than their maximum size.

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 7678b9d6e9823984d3195e300437c180e63b58ba..229b7618ed670145310243a201a7054f88e3d398 100644
--- a/ui/views/widget/native_widget_aura.cc
+++ b/ui/views/widget/native_widget_aura.cc
@@ -648,6 +648,10 @@ gfx::Size NativeWidgetAura::GetMinimumSize() const {
   return delegate_->GetMinimumSize();
 }
 
+gfx::Size NativeWidgetAura::GetMaximumSize() const {
+  return delegate_->GetMaximumSize();
+}
+
 void NativeWidgetAura::OnBoundsChanged(const gfx::Rect& old_bounds,
                                        const gfx::Rect& new_bounds) {
   if (old_bounds.origin() != new_bounds.origin())