Initial import attempt, just to play with. Many things disabled/removed

ui/cc/cc/CCTiledLayerImpl.h

Index: ui/cc/cc/CCTiledLayerImpl.h
diff --git a/ui/cc/cc/CCTiledLayerImpl.h b/ui/cc/cc/CCTiledLayerImpl.h
new file mode 100644
index 0000000000000000000000000000000000000000..131a32fcefac1b181551f04105f238ea0e077fd6
--- /dev/null
+++ b/ui/cc/cc/CCTiledLayerImpl.h
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+/*
+ * Copyright (C) 2011 Google Inc. All rights reserved.
+ *
+ * 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 AND ITS CONTRIBUTORS "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 OR ITS 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 CCTiledLayerImpl_h
+#define CCTiledLayerImpl_h
+
+#include "cc/CCLayerImpl.h"
+#include <public/WebTransformationMatrix.h>
+
+namespace WebCore {
+
+class CCLayerTilingData;
+class DrawableTile;
+
+class CCTiledLayerImpl : public CCLayerImpl {
+public:
+    static PassOwnPtr<CCTiledLayerImpl> create(int id)
+    {
+        return adoptPtr(new CCTiledLayerImpl(id));
+    }
+    virtual ~CCTiledLayerImpl();
+
+    virtual void appendQuads(CCQuadCuller&, const CCSharedQuadState*, bool& hadMissingTiles) OVERRIDE;
+
+    virtual unsigned contentsTextureId() const OVERRIDE;
+
+    virtual void dumpLayerProperties(TextStream&, int indent) const OVERRIDE;
+
+    void setSkipsDraw(bool skipsDraw) { m_skipsDraw = skipsDraw; }
+    void setTilingData(const CCLayerTilingData& tiler);
+    void pushTileProperties(int, int, Platform3DObject textureId, const IntRect& opaqueRect);
+
+    void setContentsSwizzled(bool contentsSwizzled) { m_contentsSwizzled = contentsSwizzled; }
+    bool contentsSwizzled() const { return m_contentsSwizzled; }
+
+    virtual Region visibleContentOpaqueRegion() const OVERRIDE;
+    virtual void didLoseContext() OVERRIDE;
+
+protected:
+    explicit CCTiledLayerImpl(int id);
+    // Exposed for testing.
+    bool hasTileAt(int, int) const;
+    bool hasTextureIdForTileAt(int, int) const;
+
+    virtual WebKit::WebTransformationMatrix quadTransform() const OVERRIDE;
+
+private:
+
+    virtual const char* layerTypeAsString() const OVERRIDE { return "ContentLayer"; }
+
+    DrawableTile* tileAt(int, int) const;
+    DrawableTile* createTile(int, int);
+
+    bool m_skipsDraw;
+    bool m_contentsSwizzled;
+
+    OwnPtr<CCLayerTilingData> m_tiler;
+};
+
+}
+
+#endif // CCTiledLayerImpl_h