[LayoutNG] Inline background paint and visibility

Bug: 859787
Cq-Include-Trybots: luci.chromium.try:linux_layout_tests_layout_ng;luci.chromium.try:linux_layout_tests_slimming_paint_v2;master.tryserver.blink:linux_trusty_blink_rel
Change-Id: I03e64594a44c3b7d4ab2fa757f21320df58838f1
Reviewed-on: https://chromium-review.googlesource.com/1125404Reviewed-by: Emil A Eklund <eae@chromium.org>
Commit-Queue: Aleks Totic <atotic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#572437}

third_party/blink/renderer/core/paint/ng/ng_box_fragment_painter.cc

@@ -180,7 +180,8 @@ void NGBoxFragmentPainter::PaintInlineBox(const PaintInfo& paint_info,
                                           const LayoutPoint& paint_offset) {
   const LayoutPoint adjusted_paint_offset =
       paint_offset + box_fragment_.Offset().ToLayoutPoint();
-  if (paint_info.phase == PaintPhase::kForeground)
+  if (paint_info.phase == PaintPhase::kForeground &&
+      box_fragment_.Style().Visibility() == EVisibility::kVisible)
     PaintBoxDecorationBackground(paint_info, adjusted_paint_offset);
 
   PaintObject(paint_info, adjusted_paint_offset, true);