Add NeedsPreferredWidthsRecalculation() for block

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 4a3b44e41333e018d82cff22aaaea04be9a4d040..48702ae8e30fc8e67db156a63cae27340e07be81 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
@@ -2207,4 +2207,9 @@ bool LayoutBlock::HasDefiniteLogicalHeight() const {
   return AvailableLogicalHeightForPercentageComputation() != LayoutUnit(-1);
 }
 
+bool LayoutBlock::NeedsPreferredWidthsRecalculation() const {
+  return (HasRelativeLogicalHeight() && Style()->LogicalWidth().IsAuto()) ||
+         LayoutBox::NeedsPreferredWidthsRecalculation();
+}
+
 }  // namespace blink