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diff --git a/WebCore/platform/graphics/texmap/TextureMapperPlatformLayer.h b/WebCore/platform/graphics/texmap/TextureMapperPlatformLayer.h
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+++ b/WebCore/platform/graphics/texmap/TextureMapperPlatformLayer.h
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+/*
+    Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
+
+    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 TextureMapperPlatformLayer_h
+#define TextureMapperPlatformLayer_h
+
+namespace WebCore {
+
+class GraphicsContext;
+class IntRect;
+class IntSize;
+class TransformationMatrix;
+
+
+// Glue layer to connect the texmap layer to the platform specific container.
+class TextureMapperLayerClient {
+public:
+    virtual ~TextureMapperLayerClient() {}
+    virtual void setNeedsDisplay() = 0;
+    virtual void setNeedsDisplayInRect(const IntRect& rect) = 0;
+    virtual void setSizeChanged(const IntSize&) = 0;
+};
+
+class TextureMapperPlatformLayer {
+public:
+    enum Type {
+        ContentLayer,
+        VideoLayer
+    };
+
+    virtual Type layerType() const = 0;
+    virtual ~TextureMapperPlatformLayer() {}
+};
+
+class TextureMapperContentLayer : public TextureMapperPlatformLayer {
+public:
+    virtual void setPlatformLayerClient(TextureMapperLayerClient*) = 0;
+    virtual void paint(GraphicsContext*, const IntSize&, const IntRect& targetRect, const IntRect& exposedRect, const TransformationMatrix& transform, float opacity) {}
+    virtual IntSize size() const = 0;
+    virtual void cleanupTextureMapper() {}
+    virtual Type layerType() const { return ContentLayer; }
+};
+
+#if ENABLE(VIDEO)
+class TextureMapperVideoLayer : public TextureMapperPlatformLayer {
+public:
+    virtual void paint(GraphicsContext*) = 0;
+    virtual Type layerType() const { return VideoLayer; }
+};
+#endif
+
+}
+
+#endif // TextureMapperPlatformLayer_h