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diff --git a/Source/WebCore/platform/graphics/cairo/PlatformContextCairo.h b/Source/WebCore/platform/graphics/cairo/PlatformContextCairo.h
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+++ b/Source/WebCore/platform/graphics/cairo/PlatformContextCairo.h
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+/*
+ * Copyright (C) 2011 Igalia S.L.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#ifndef PlatformContextCairo_h
+#define PlatformContextCairo_h
+
+#include "ContextShadow.h"
+#include "RefPtrCairo.h"
+
+namespace WebCore {
+
+// Much like PlatformContextSkia in the Skia port, this class holds information that
+// would normally be private to GraphicsContext, except that we want to allow access
+// to it in Font and Image code. This allows us to separate the concerns of Cairo-specific
+// code from the platform-independent GraphicsContext.
+
+class PlatformContextCairo {
+    WTF_MAKE_NONCOPYABLE(PlatformContextCairo);
+public:
+    PlatformContextCairo(cairo_t*);
+    cairo_t* cr() { return m_cr.get(); }
+    void setCr(cairo_t* cr) { m_cr = cr; }
+
+private:
+    RefPtr<cairo_t> m_cr;
+};
+
+} // namespace WebCore
+
+#endif // PlatformContextCairo_h