Implemented remaining non-grouped longhand property APIs

third_party/WebKit/Source/core/css/properties/CSSPropertyAPITransitionProperty.cpp

Index: third_party/WebKit/Source/core/css/properties/CSSPropertyAPITransitionProperty.cpp
diff --git a/third_party/WebKit/Source/core/css/properties/CSSPropertyAPITransitionProperty.cpp b/third_party/WebKit/Source/core/css/properties/CSSPropertyAPITransitionProperty.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..30f97980c311709c3552e63ee7d7ec44e5739173
--- /dev/null
+++ b/third_party/WebKit/Source/core/css/properties/CSSPropertyAPITransitionProperty.cpp
@@ -0,0 +1,24 @@
+// Copyright 2017 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/properties/CSSPropertyAPITransitionProperty.h"
+
+#include "core/css/CSSValueList.h"
+#include "core/css/parser/CSSPropertyParserHelpers.h"
+#include "core/css/properties/CSSPropertyTransitionPropertyUtils.h"
+
+namespace blink {
+
+const CSSValue* CSSPropertyAPITransitionProperty::parseSingleValue(
+    CSSParserTokenRange& range,
+    const CSSParserContext&,
+    const CSSParserLocalContext&) {
+  CSSValueList* list = CSSPropertyParserHelpers::ConsumeCommaSeparatedList(
+      CSSPropertyTransitionPropertyUtils::ConsumeTransitionProperty, range);
+  if (!list || !CSSPropertyTransitionPropertyUtils::IsValidPropertyList(*list))
+    return nullptr;
+  return list;
+}
+
+}  // namespace blink