Add support for repeating-radial-gradient()

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 84b24ccde9e12d856f79dafceca4165a24792a1f..21beb95c69ccde0c3f3f2d11e071befd1402d404 100644
--- a/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp
+++ b/third_party/WebKit/Source/core/css/parser/CSSPropertyParser.cpp
@@ -2745,6 +2745,8 @@ static PassRefPtrWillBeRawPtr<CSSValue> consumeGeneratedImage(CSSParserTokenRang
     RefPtrWillBeRawPtr<CSSValue> result = nullptr;
     if (id == CSSValueRadialGradient) {
         result = consumeRadialGradient(args, context.mode(), NonRepeating);
+    } else if (id == CSSValueRepeatingRadialGradient) {
+        result = consumeRadialGradient(args, context.mode(), Repeating);
     } else if (id == CSSValueWebkitLinearGradient) {
         // FIXME: This should send a deprecation message.
         if (context.useCounter())