Implements CSSPropertyAPI for the webkit-line-clamp property.

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

Index: third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp
diff --git a/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp b/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp
index c1f9099aa4cf6269c3de013198897f7ace6e5d74..28457056cc8c441b45a62e298a8dd8f837a639dd 100644
--- a/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp
+++ b/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp
@@ -1027,17 +1027,6 @@ static CSSValue* consumeTouchAction(CSSParserTokenRange& range) {
   return list;
 }
 
-static CSSPrimitiveValue* consumeLineClamp(CSSParserTokenRange& range) {
-  if (range.peek().type() != PercentageToken &&
-      range.peek().type() != NumberToken)
-    return nullptr;
-  CSSPrimitiveValue* clampValue = consumePercent(range, ValueRangeNonNegative);
-  if (clampValue)
-    return clampValue;
-  // When specifying number of lines, don't allow 0 as a valid value.
-  return consumePositiveInteger(range);
-}
-
 static CSSValue* consumeLocale(CSSParserTokenRange& range) {
   if (range.peek().id() == CSSValueAuto)
     return consumeIdent(range);
@@ -3509,8 +3498,6 @@ const CSSValue* CSSPropertyParser::parseSingleValue(
     case CSSPropertyObjectPosition:
     case CSSPropertyPerspectiveOrigin:
       return consumePosition(m_range, m_context.mode(), UnitlessQuirk::Forbid);
-    case CSSPropertyWebkitLineClamp:
-      return consumeLineClamp(m_range);
     case CSSPropertyWebkitFontSizeDelta:
       return consumeLength(m_range, m_context.mode(), ValueRangeAll,
                            UnitlessQuirk::Allow);