Spec-compliant parsing and initial values for 'orphans' and 'widows'.

third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp

 // Copyright 2015 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.
 
 #include "core/css/parser/CSSPropertyParser.h"
 
 #include "core/StylePropertyShorthand.h"
 #include "core/css/CSSBasicShapeValues.h"
 #include "core/css/CSSBorderImage.h"
 #include "core/css/CSSContentDistributionValue.h"
@@ skipping 1206 matching lines @@
         if (!isValidAnimationPropertyList(shorthand.properties()[i], *longhands[i]))
             return false;
     }
 
     for (size_t i = 0; i < longhandCount; ++i)
         addProperty(shorthand.properties()[i], longhands[i], important);
 
     return m_range.atEnd();
 }
 
-static CSSValue* consumeWidowsOrOrphans(CSSParserTokenRange& range)
-{
-    // Support for auto is non-standard and for backwards compatibility.
-    if (range.peek().id() == CSSValueAuto)
-        return consumeIdent(range);
-    return consumePositiveInteger(range);
-}
-
 static CSSValue* consumeZIndex(CSSParserTokenRange& range)
 {
     if (range.peek().id() == CSSValueAuto)
         return consumeIdent(range);
     return consumeInteger(range);
 }
 
 static CSSShadowValue* parseSingleShadow(CSSParserTokenRange& range, CSSParserMode cssParserMode, bool allowInset, bool allowSpread)
 {
     CSSPrimitiveValue* style = nullptr;
@@ skipping 2322 matching lines @@
     case CSSPropertyTransitionTimingFunction:
         return consumeAnimationPropertyList(property, m_range, m_context, unresolvedProperty == CSSPropertyAliasWebkitAnimationName);
     case CSSPropertyGridColumnGap:
     case CSSPropertyGridRowGap:
         return consumeLength(m_range, m_context.mode(), ValueRangeNonNegative);
     case CSSPropertyShapeMargin:
         return consumeLengthOrPercent(m_range, m_context.mode(), ValueRangeNonNegative);
     case CSSPropertyShapeImageThreshold:
         return consumeNumber(m_range, ValueRangeAll);
     case CSSPropertyWebkitBoxOrdinalGroup:
-        return consumePositiveInteger(m_range);
     case CSSPropertyOrphans:
     case CSSPropertyWidows:
-        return consumeWidowsOrOrphans(m_range);
+        return consumePositiveInteger(m_range);
     case CSSPropertyTextDecorationColor:
         ASSERT(RuntimeEnabledFeatures::css3TextDecorationsEnabled());
         return consumeColor(m_range, m_context.mode());
     case CSSPropertyWebkitTextStrokeWidth:
         return consumeTextStrokeWidth(m_range, m_context.mode());
     case CSSPropertyWebkitTextFillColor:
     case CSSPropertyWebkitTapHighlightColor:
     case CSSPropertyWebkitTextEmphasisColor:
     case CSSPropertyWebkitBorderStartColor:
     case CSSPropertyWebkitBorderEndColor:
@@ skipping 1383 matching lines @@
         return consumeGridTemplateShorthand(important);
     case CSSPropertyGrid:
         return consumeGridShorthand(important);
     default:
         m_currentShorthand = oldShorthand;
         return false;
     }
 }
 
 } // namespace blink