Avoid layout when list color changes

Source/core/rendering/RenderListItem.cpp

Index: Source/core/rendering/RenderListItem.cpp
diff --git a/Source/core/rendering/RenderListItem.cpp b/Source/core/rendering/RenderListItem.cpp
index 6c251c4263ad53e95a8804e375c1e8ec97d2d89d..4898f8605e99bf55161ea01830cdda2f09e32bb7 100644
--- a/Source/core/rendering/RenderListItem.cpp
+++ b/Source/core/rendering/RenderListItem.cpp
@@ -59,13 +59,9 @@ void RenderListItem::styleDidChange(StyleDifference diff, const RenderStyle* old
 
     if (style()->listStyleType() != NoneListStyle
         || (style()->listStyleImage() && !style()->listStyleImage()->errorOccurred())) {
-        RefPtr<RenderStyle> newStyle = RenderStyle::create();
-        // The marker always inherits from the list item, regardless of where it might end
-        // up (e.g., in some deeply nested line box). See CSS3 spec.
-        newStyle->inheritFrom(style());
         if (!m_marker)
             m_marker = RenderListMarker::createAnonymous(this);
-        m_marker->setStyle(newStyle.release());
+        m_marker->listItemStyleDidChange();
     } else if (m_marker) {
         m_marker->destroy();
         m_marker = nullptr;