Implements CSSPropertyAPI for the flex-basis property.

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

Index: third_party/WebKit/Source/core/css/properties/CSSPropertyAPIFlexBasis.cpp
diff --git a/third_party/WebKit/Source/core/css/properties/CSSPropertyAPIFlexBasis.cpp b/third_party/WebKit/Source/core/css/properties/CSSPropertyAPIFlexBasis.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..6ed445bc598ed9a477d648d757826357707cece7
--- /dev/null
+++ b/third_party/WebKit/Source/core/css/properties/CSSPropertyAPIFlexBasis.cpp
@@ -0,0 +1,22 @@
+// 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/CSSPropertyAPIFlexBasis.h"
+
+#include "core/css/parser/CSSParserContext.h"
+#include "core/css/parser/CSSPropertyParserHelpers.h"
+
+namespace blink {
+
+const CSSValue* CSSPropertyAPIFlexBasis::parseSingleValue(
+    CSSParserTokenRange& range,
+    const CSSParserContext& context) {
+  // FIXME: Support intrinsic dimensions too.
+  if (range.peek().id() == CSSValueAuto)
+    return CSSPropertyParserHelpers::consumeIdent(range);
+  return CSSPropertyParserHelpers::consumeLengthOrPercent(
+      range, context.mode(), ValueRangeNonNegative);
+}
+
+}  // namespace blink