Fix zero height root renderer with background image painting

Source/core/rendering/RenderBoxModelObject.cpp

Index: Source/core/rendering/RenderBoxModelObject.cpp
diff --git a/Source/core/rendering/RenderBoxModelObject.cpp b/Source/core/rendering/RenderBoxModelObject.cpp
index 22b207cd6bf25dda74fc73e9fb14a866c2e18c48..93c7f2e6361c42bca2c1f4e55d1a1a486d777cc0 100644
--- a/Source/core/rendering/RenderBoxModelObject.cpp
+++ b/Source/core/rendering/RenderBoxModelObject.cpp
@@ -664,7 +664,7 @@ void RenderBoxModelObject::paintFillLayerExtended(const PaintInfo& paintInfo, co
     if (!bgLayer->next()) {
         IntRect backgroundRect(pixelSnappedIntRect(scrolledPaintRect));
         bool boxShadowShouldBeAppliedToBackground = this->boxShadowShouldBeAppliedToBackground(bleedAvoidance, box);
-        if (boxShadowShouldBeAppliedToBackground || !shouldPaintBackgroundImage || !bgLayer->hasOpaqueImage(this) || !bgLayer->hasRepeatXY()) {
+        if (boxShadowShouldBeAppliedToBackground || !shouldPaintBackgroundImage || !bgLayer->hasOpaqueImage(this) || !bgLayer->hasRepeatXY() || (isOpaqueRoot && !toRenderBox(this)->height()))  {
             if (!boxShadowShouldBeAppliedToBackground)
                 backgroundRect.intersect(paintInfo.rect);