Move widows/orphans property handling into CSSPropertyParser

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 "config.h"
 #include "core/css/parser/CSSPropertyParser.h"
 
 #include "core/StylePropertyShorthand.h"
 #include "core/css/CSSCalculationValue.h"
 #include "core/css/CSSCustomIdentValue.h"
@@ skipping 1184 matching lines @@
         if (!value)
             return nullptr;
         list->append(value.release());
     } while (consumeCommaIncludingWhitespace(range));
     if (!isValidAnimationPropertyList(property, *list))
         return nullptr;
     ASSERT(list->length());
     return list.release();
 }
 
+static PassRefPtrWillBeRawPtr<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);
+}
+
 PassRefPtrWillBeRawPtr<CSSValue> CSSPropertyParser::parseSingleValue(CSSPropertyID unresolvedProperty)
 {
     CSSPropertyID property = resolveCSSPropertyID(unresolvedProperty);
     m_range.consumeWhitespace();
     switch (property) {
     case CSSPropertyWillChange:
         return consumeWillChange(m_range);
     case CSSPropertyPage:
         return consumePage(m_range);
     case CSSPropertyQuotes:
@@ skipping 74 matching lines @@
     case CSSPropertyAnimationDuration:
     case CSSPropertyTransitionDuration:
     case CSSPropertyAnimationFillMode:
     case CSSPropertyAnimationIterationCount:
     case CSSPropertyAnimationName:
     case CSSPropertyAnimationPlayState:
     case CSSPropertyTransitionProperty:
     case CSSPropertyAnimationTimingFunction:
     case CSSPropertyTransitionTimingFunction:
         return consumeAnimationPropertyList(property, m_range, m_context, unresolvedProperty == CSSPropertyAliasWebkitAnimationName);
+    case CSSPropertyOrphans:
+    case CSSPropertyWidows:
+        return consumeWidowsOrOrphans(m_range);
     default:
         return nullptr;
     }
 }
 
 static PassRefPtrWillBeRawPtr<CSSValueList> consumeFontFaceUnicodeRange(CSSParserTokenRange& range)
 {
     RefPtrWillBeRawPtr<CSSValueList> values = CSSValueList::createCommaSeparated();
 
     do {
@@ skipping 410 matching lines @@
         m_currentShorthand = oldShorthand;
         return consumeColumns(important);
     }
     default:
         m_currentShorthand = oldShorthand;
         return false;
     }
 }
 
 } // namespace blink