Add NeedsPreferredWidthsRecalculation() for block

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

Index: third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp b/third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp
index 9fd14255efb568cc83fcfc7da64129b8aba15919..3331741b423257b2e5fef90f8ff84be00eb969b6 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp
@@ -2938,6 +2938,8 @@ void LayoutBlockFlow::UpdateBlockChildDirtyBitsBeforeLayout(
     ToLayoutMultiColumnSpannerPlaceholder(child)
         .MarkForLayoutIfObjectInFlowThreadNeedsLayout();
   LayoutBlock::UpdateBlockChildDirtyBitsBeforeLayout(relayout_children, child);
+  if (child.PreferredLogicalWidthsDirty() && IsInlineBlockOrInlineTable())
+    child.SetPreferredLogicalWidthsDirty(kMarkContainerChain);

[rhogan, 2017/04/18 18:46:30]

If someone called SetPreferredLogicalWidthsDirty on child, why didn't they mark
it with kMarkContainerChain at the time? I think that's the place to
investigate.

 }
 
 void LayoutBlockFlow::UpdateStaticInlinePositionForChild(