Invalidate row/section for backgrounds when cell's geometry changes

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

Index: third_party/WebKit/Source/core/layout/LayoutTableCell.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutTableCell.cpp b/third_party/WebKit/Source/core/layout/LayoutTableCell.cpp
index 390d419a7e79306141689d5bfded55d62b7b31f2..ff4ca6651911ff07b47adbeabb331e6e9ffae552 100644
--- a/third_party/WebKit/Source/core/layout/LayoutTableCell.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutTableCell.cpp
@@ -34,6 +34,7 @@
 #include "core/layout/SubtreeLayoutScope.h"
 #include "core/paint/ObjectPaintInvalidator.h"
 #include "core/paint/PaintLayer.h"
+#include "core/paint/TableCellPaintInvalidator.h"
 #include "core/paint/TableCellPainter.h"
 #include "core/style/CollapsedBorderValue.h"
 #include "platform/geometry/FloatQuad.h"
@@ -1487,4 +1488,14 @@ bool LayoutTableCell::HasLineIfEmpty() const {
   return LayoutBlock::HasLineIfEmpty();
 }
 
+PaintInvalidationReason LayoutTableCell::InvalidatePaintIfNeeded(
+    const PaintInvalidatorContext& context) const {
+  return TableCellPaintInvalidator(*this, context).InvalidatePaint();
+}
+
+PaintInvalidationReason LayoutTableCell::InvalidatePaintIfNeeded(
+    const PaintInvalidationState& state) {
+  return LayoutBlockFlow::InvalidatePaintIfNeeded(state);
+}
+
 }  // namespace blink