Split out String, URI and CustomIdent from CSSPrimitiveValue

third_party/WebKit/Source/core/css/CSSURIValue.h

Index: third_party/WebKit/Source/core/css/CSSURIValue.h
diff --git a/third_party/WebKit/Source/core/css/CSSURIValue.h b/third_party/WebKit/Source/core/css/CSSURIValue.h
new file mode 100644
index 0000000000000000000000000000000000000000..72f26843b8f5c7cc5da8b2318f9cc507cb2355e0
--- /dev/null
+++ b/third_party/WebKit/Source/core/css/CSSURIValue.h
@@ -0,0 +1,42 @@
+// 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.
+
+#ifndef CSSURIValue_h
+#define CSSURIValue_h
+
+#include "core/css/CSSValue.h"
+#include "wtf/PassRefPtr.h"
+#include "wtf/RefCounted.h"
+
+namespace blink {
+
+class CSSURIValue : public CSSValue {
+public:
+    static PassRefPtrWillBeRawPtr<CSSURIValue> create(const String& str)
+    {
+        return adoptRefWillBeNoop(new CSSURIValue(str));
+    }
+
+    String value() const { return m_string; }
+
+    String customCSSText() const;
+
+    bool equals(const CSSURIValue& other) const
+    {
+        return m_string == other.m_string;
+    }
+
+    DECLARE_TRACE_AFTER_DISPATCH();
+
+private:
+    CSSURIValue(const String&);
+
+    String m_string;
+};
+
+DEFINE_CSS_VALUE_TYPE_CASTS(CSSURIValue, isURIValue());
+
+} // namespace blink
+
+#endif // CSSURIValue_h