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diff --git a/src/3rdparty/webkit/WebCore/css/CSSHelper.h b/src/3rdparty/webkit/WebCore/css/CSSHelper.h
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+/*
+ * This file is part of the CSS implementation for KDE.
+ *
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef CSSHelper_h
+#define CSSHelper_h
+
+namespace WebCore {
+
+    class String;
+
+    /*
+     * mostly just removes the url("...") brace
+     */
+    String parseURL(const String& url);
+
+    // We always assume 96 CSS pixels in a CSS inch. This is the cold hard truth of the Web.
+    // At high DPI, we may scale a CSS pixel, but the ratio of the CSS pixel to the so-called
+    // "absolute" CSS length units like inch and pt is always fixed and never changes.
+    const float cssPixelsPerInch = 96.0f;
+
+} // namespace WebCore
+
+#endif // CSSHelper_h