CSS: Scale support for none

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 b897acdcc27b33700186d7fd4eaed41f64f22a1c..60fea5cec5afa7d945372d74ad09a1a5bf42daa1 100644
--- a/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp
+++ b/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp
@@ -719,9 +719,13 @@ static CSSValueList* consumeRotation(CSSParserTokenRange& range) {
   return list;
 }
 
-static CSSValueList* consumeScale(CSSParserTokenRange& range) {
+static CSSValue* consumeScale(CSSParserTokenRange& range) {
   ASSERT(RuntimeEnabledFeatures::cssIndependentTransformPropertiesEnabled());
 
+  CSSValueID id = range.peek().id();
+  if (id == CSSValueNone)
+    return consumeIdent(range);

[Timothy Loh, 2017/01/12 00:07:18]

Is this tested?

+
   CSSValue* scale = consumeNumber(range, ValueRangeAll);
   if (!scale)
     return nullptr;