Add NeedsPreferredWidthsRecalculation() for block

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

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 2920 matching lines @@
   }
 }
 
 void LayoutBlockFlow::UpdateBlockChildDirtyBitsBeforeLayout(
     bool relayout_children,
     LayoutBox& child) {
   if (child.IsLayoutMultiColumnSpannerPlaceholder())
     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(
     LayoutBox& child,
     LayoutUnit logical_top,
     IndentTextOrNot indent_text) {
   if (child.Style()->IsOriginalDisplayInlineType())
     SetStaticInlinePositionForChild(
         child, StartAlignedOffsetForLine(logical_top, indent_text));
   else
@@ skipping 1704 matching lines @@
   return LayoutBlock::InvalidatePaintIfNeeded(paint_invalidation_state);
 }
 
 void LayoutBlockFlow::InvalidateDisplayItemClients(
     PaintInvalidationReason invalidation_reason) const {
   BlockFlowPaintInvalidator(*this).InvalidateDisplayItemClients(
       invalidation_reason);
 }
 
 }  // namespace blink