[css-grid] Update <fixed-size> syntax

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

 /*
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 1208 matching lines @@
 {
     bool isRowAxis = direction == ForColumns;
     const auto& autoRepeatTracks = isRowAxis ? styleRef().gridAutoRepeatColumns() : styleRef().gridAutoRepeatRows();
 
     if (!autoRepeatTracks.size())
         return 0;
 
     DCHECK_EQ(autoRepeatTracks.size(), static_cast<size_t>(1));
     auto autoTrackSize = autoRepeatTracks.at(0);
     DCHECK(autoTrackSize.minTrackBreadth().isLength());
-    DCHECK(!autoTrackSize.minTrackBreadth().isContentSized());
+    DCHECK(!autoTrackSize.minTrackBreadth().isFlex());
 
     LayoutUnit availableSize = isRowAxis ? availableLogicalWidth() : computeContentLogicalHeight(MainOrPreferredSize, styleRef().logicalHeight(), LayoutUnit(-1));
     if (availableSize == -1) {
         const Length& maxLength = isRowAxis ? styleRef().logicalMaxWidth() : styleRef().logicalMaxHeight();
         if (!maxLength.isMaxSizeNone()) {
             availableSize = isRowAxis
                 ? computeLogicalWidthUsing(MaxSize, maxLength, containingBlockLogicalWidthForContent(), containingBlock())
                 : computeContentLogicalHeight(MaxSize, maxLength, LayoutUnit(-1));
         }
     } else {
@@ skipping 1000 matching lines @@
 
     return LayoutPoint(rowAxisOffset, columnAxisOffsetForChild(child, sizingData));
 }
 
 void LayoutGrid::paintChildren(const PaintInfo& paintInfo, const LayoutPoint& paintOffset) const
 {
     GridPainter(*this).paintChildren(paintInfo, paintOffset);
 }
 
 } // namespace blink