Invalidate collapsed borders using currentColor when color changes

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

 /*
  * Copyright (C) 1997 Martin Jones (mjones@kde.org)
  *           (C) 1997 Torben Weis (weis@kde.org)
  *           (C) 1998 Waldo Bastian (bastian@kde.org)
  *           (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 37 matching lines @@
 
   LayoutTableBoxComponent::StyleDidChange(diff, old_style);
 
   if (!old_style)
     return;
 
   LayoutTable* table = this->Table();
   if (!table)
     return;
 
-  // TODO(dgrogan): Is the "else" necessary for correctness or just a brittle
-  // optimization? The optimization would be: if the first branch is taken then
-  // the next one can't be, so don't even check its condition.
-  if (!table->SelfNeedsLayout() && !table->NormalChildNeedsLayout() &&
-      old_style->Border() != Style()->Border()) {
-    table->InvalidateCollapsedBorders();
-  } else if ((old_style->LogicalWidth() != Style()->LogicalWidth()) ||
-             LayoutTableBoxComponent::DoCellsHaveDirtyWidth(*this, *table, diff,
-                                                            *old_style)) {
+  LayoutTableBoxComponent::InvalidateCollapsedBordersOnStyleChange(
+      *this, *table, diff, *old_style);
+
+  if ((old_style->LogicalWidth() != Style()->LogicalWidth()) ||
+      LayoutTableBoxComponent::DoCellsHaveDirtyWidth(*this, *table, diff,
+                                                     *old_style)) {
     // TODO(dgrogan): Optimization opportunities:
     // (1) Only mark cells which are affected by this col, not every cell in the
     //     table.
     // (2) If only the col width changes and its border width doesn't, do the
     //     cells need to be marked as needing layout or just given dirty
     //     widths?
     table->MarkAllCellsWidthsDirtyAndOrNeedsLayout(
         LayoutTable::kMarkDirtyAndNeedsLayout);
   }
 }
@@ skipping 116 matching lines @@
 const BorderValue& LayoutTableCol::BorderAdjoiningCellAfter(
     const LayoutTableCell* cell) const {
   DCHECK_EQ(Table()
                 ->ColElementAtAbsoluteColumn(cell->AbsoluteColumnIndex() - 1)
                 .InnermostColOrColGroup(),
             this);
   return Style()->BorderEnd();
 }
 
 }  // namespace blink