[css-tables] Set needsLayout on cells when table border width changes

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

Index: third_party/WebKit/Source/core/layout/LayoutTable.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutTable.cpp b/third_party/WebKit/Source/core/layout/LayoutTable.cpp
index 3c82b36e11aeea371d7277de86e9acffc1d438bf..8013404db7793809ee60d9a121a65153f701ec67 100644
--- a/third_party/WebKit/Source/core/layout/LayoutTable.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutTable.cpp
@@ -101,6 +101,8 @@ void LayoutTable::styleDidChange(StyleDifference diff, const ComputedStyle* oldS
     // If border was changed, invalidate collapsed borders cache.
     if (!needsLayout() && oldStyle && oldStyle->border() != style()->border())
         invalidateCollapsedBorders();
+    if (LayoutTableBoxComponent::doCellsHaveDirtyWidth(*this, *this, diff, *oldStyle))
+        markAllCellsWidthsDirtyAndOrNeedsLayout(MarkDirtyAndNeedsLayout);
 }
 
 static inline void resetSectionPointerIfNotBefore(LayoutTableSection*& ptr, LayoutObject* before)
@@ -702,6 +704,16 @@ void LayoutTable::subtractCaptionRect(LayoutRect& rect) const
     }
 }
 
+void LayoutTable::markAllCellsWidthsDirtyAndOrNeedsLayout(WhatToMarkAllCells whatToMark)
+{
+    for (LayoutObject* child = children()->firstChild(); child; child = child->nextSibling()) {
+        if (!child->isTableSection())
+            continue;
+        LayoutTableSection* section = toLayoutTableSection(child);
+        section->markAllCellsWidthsDirtyAndOrNeedsLayout(whatToMark);
+    }
+}
+
 void LayoutTable::paintBoxDecorationBackground(const PaintInfo& paintInfo, const LayoutPoint& paintOffset) const
 {
     TablePainter(*this).paintBoxDecorationBackground(paintInfo, paintOffset);