Fix the absence of padding on some UI buttons.

ui/views/window/dialog_client_view.cc

Index: ui/views/window/dialog_client_view.cc
diff --git a/ui/views/window/dialog_client_view.cc b/ui/views/window/dialog_client_view.cc
index 7adec3fd48238e49f19dc33c714d9c1ac37a5c8b..0184098140bdec7bf0a29248f43d6eb1ddac9eb4 100644
--- a/ui/views/window/dialog_client_view.cc
+++ b/ui/views/window/dialog_client_view.cc
@@ -341,8 +341,6 @@ LabelButton* DialogClientView::CreateDialogButton(ui::DialogButton type) {
     button = MdTextButton::CreateSecondaryUiButton(this, title);
   }
 
-  // TODO(bsep): Setting the minimum size is redundant with MdTextButton, so
-  // this can be deleted when harmony is always on.
   const int minimum_width =
       ViewsDelegate::GetInstance()->GetDialogButtonMinimumWidth();
   button->SetMinSize(gfx::Size(minimum_width, 0));