[css-tables] Fix caret position inside empty cell

third_party/WebKit/Source/core/layout/LayoutTableCell.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, 2007, 2008, 2009 Apple Inc.
  *               All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "core/layout/LayoutTableCell.h"
 
 #include "core/HTMLNames.h"
 #include "core/css/StylePropertySet.h"
+#include "core/editing/EditingUtilities.h"
 #include "core/html/HTMLTableCellElement.h"
 #include "core/layout/LayoutAnalyzer.h"
 #include "core/layout/LayoutTableCol.h"
 #include "core/layout/SubtreeLayoutScope.h"
 #include "core/paint/ObjectPaintInvalidator.h"
 #include "core/paint/PaintLayer.h"
 #include "core/paint/TableCellPainter.h"
 #include "core/style/CollapsedBorderValue.h"
 #include "platform/geometry/FloatQuad.h"
 #include "platform/geometry/TransformState.h"
@@ skipping 1442 matching lines @@
   if (cb)
     cb->adjustChildDebugRect(rect);
 
   return rect;
 }
 
 void LayoutTableCell::adjustChildDebugRect(LayoutRect& r) const {
   r.move(0, -intrinsicPaddingBefore());
 }
 
+bool LayoutTableCell::hasLineIfEmpty() const {
+  if (node() && hasEditableStyle(*node()))
+    return true;
+
+  return LayoutBlock::hasLineIfEmpty();
+}
+
 }  // namespace blink