Invalidate collapsed borders using currentColor when color changes

third_party/WebKit/Source/core/layout/LayoutTableBoxComponent.h

Index: third_party/WebKit/Source/core/layout/LayoutTableBoxComponent.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutTableBoxComponent.h b/third_party/WebKit/Source/core/layout/LayoutTableBoxComponent.h
index 7ba296f87ff99457dcf4d41e9a86deac9468af76..69021f8dc4c8057ad92f159e1a51060d6a295532 100644
--- a/third_party/WebKit/Source/core/layout/LayoutTableBoxComponent.h
+++ b/third_party/WebKit/Source/core/layout/LayoutTableBoxComponent.h
@@ -15,8 +15,15 @@ namespace blink {
 class LayoutTable;
 
 // Common super class for LayoutTableCol, LayoutTableSection and LayoutTableRow.
+// Also provides utility functions for all table parts.
 class CORE_EXPORT LayoutTableBoxComponent : public LayoutBox {
  public:
+  static void InvalidateCollapsedBordersOnStyleChange(
+      const LayoutObject& table_part,
+      LayoutTable&,
+      const StyleDifference&,
+      const ComputedStyle& old_style);
+
   static bool DoCellsHaveDirtyWidth(const LayoutObject& table_part,
                                     const LayoutTable&,
                                     const StyleDifference&,