CSS Custom Properties (Variables)

third_party/WebKit/Source/core/css/CSSVariableReferenceValue.cpp

Index: third_party/WebKit/Source/core/css/CSSVariableReferenceValue.cpp
diff --git a/third_party/WebKit/Source/core/css/CSSVariableReferenceValue.cpp b/third_party/WebKit/Source/core/css/CSSVariableReferenceValue.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..c231b8a84a6c7a36b3adb07a4502379d44366f7c
--- /dev/null
+++ b/third_party/WebKit/Source/core/css/CSSVariableReferenceValue.cpp
@@ -0,0 +1,22 @@
+// Copyright 2015 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 "config.h"
+#include "core/css/CSSVariableReferenceValue.h"
+
+namespace blink {
+
+DEFINE_TRACE_AFTER_DISPATCH(CSSVariableReferenceValue)
+{
+    visitor->trace(m_data);
+    CSSValue::traceAfterDispatch(visitor);
+}
+
+String CSSVariableReferenceValue::customCSSText() const
+{
+    // We may want to consider caching this value.
+    return m_data->tokenRange().serialize();
+}
+
+} // namespace blink