Paint backgrounds of a table section/row in one display item

third_party/WebKit/Source/core/layout/LayoutBlock.cpp

Index: third_party/WebKit/Source/core/layout/LayoutBlock.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBlock.cpp b/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
index fe8b13e07a1f7f0457d5c36469f1505eb5c51ac6..154fd636eaa6f70f3416eaeffb338e6f3349afe8 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
@@ -518,7 +518,7 @@ void LayoutBlock::addOverflowFromBlockChildren() {
   for (LayoutBox* child = firstChildBox(); child;
        child = child->nextSiblingBox()) {
     if (!child->isFloatingOrOutOfFlowPositioned() && !child->isColumnSpanAll())
-      addOverflowFromChild(child);
+      addOverflowFromChild(*child);
   }
 }
 
@@ -531,7 +531,7 @@ void LayoutBlock::addOverflowFromPositionedObjects() {
     // Fixed positioned elements don't contribute to layout overflow, since they
     // don't scroll with the content.
     if (positionedObject->style()->position() != EPosition::kFixed)
-      addOverflowFromChild(positionedObject,
+      addOverflowFromChild(*positionedObject,
                            toLayoutSize(positionedObject->location()));
   }
 }