Implemented remaining non-grouped longhand property APIs

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

+// 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/CSSPropertyAPIBoxShadow.h"
+
+#include "core/css/parser/CSSParserContext.h"
+#include "core/css/properties/CSSPropertyBoxShadowUtils.h"
+
+namespace blink {
+
+const CSSValue* CSSPropertyAPIBoxShadow::parseSingleValue(
+    CSSParserTokenRange& range,
+    const CSSParserContext& context,
+    const CSSParserLocalContext&) {
+  return CSSPropertyBoxShadowUtils::ConsumeShadow(range, context.Mode(),
+                                                  AllowInsetAndSpread::kAllow);
+}
+
+}  // namespace blink