[layoutng] Correctly resolve indefinite percentages

third_party/WebKit/Source/core/layout/ng/ng_length_utils.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NGLengthUtils_h
 #define NGLengthUtils_h
 
 #include "core/CoreExport.h"
 
 namespace blink {
 class ComputedStyle;
 class LayoutUnit;
 class Length;
 class NGConstraintSpace;
 struct NGBoxMargins;
 
 enum class LengthResolveType { MinSize, MaxSize, ContentSize, MarginSize };
 
+#define NGSizeIndefinite LayoutUnit(-1)
+
 // Convert an inline-axis length to a layout unit using the given constraint
 // space.
 CORE_EXPORT LayoutUnit resolveInlineLength(const NGConstraintSpace&,
                                            const Length&,
                                            LengthResolveType);
 
 // Convert a block-axis length to a layout unit using the given constraint
 // space and content size.
 CORE_EXPORT LayoutUnit resolveBlockLength(const NGConstraintSpace&,
                                           const Length&,
@@ skipping 12 matching lines @@
 CORE_EXPORT LayoutUnit computeBlockSizeForFragment(const NGConstraintSpace&,
                                                    const ComputedStyle&,
                                                    LayoutUnit contentSize);
 
 CORE_EXPORT NGBoxMargins computeMargins(const NGConstraintSpace&,
                                         const ComputedStyle&);
 
 }  // namespace blink
 
 #endif  // NGLengthUtils_h