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

ui/cc/cc/CCTextureUpdater.h

Index: ui/cc/cc/CCTextureUpdater.h
diff --git a/ui/cc/cc/CCTextureUpdater.h b/ui/cc/cc/CCTextureUpdater.h
new file mode 100644
index 0000000000000000000000000000000000000000..0f139f385c3a1d90c65f5b2ba02f28fc726e2594
--- /dev/null
+++ b/ui/cc/cc/CCTextureUpdater.h
@@ -0,0 +1,78 @@
+/*
+ * 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 CCTextureUpdater_h
+#define CCTextureUpdater_h
+
+#include "IntRect.h"
+#include "LayerTextureUpdater.h"
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+class TextureAllocator;
+class TextureCopier;
+class TextureUploader;
+
+class CCTextureUpdater {
+public:
+    CCTextureUpdater();
+    ~CCTextureUpdater();
+
+    void appendUpdate(LayerTextureUpdater::Texture*, const IntRect& sourceRect, const IntRect& destRect);
+    void appendPartialUpdate(LayerTextureUpdater::Texture*, const IntRect& sourceRect, const IntRect& destRect);
+    void appendCopy(unsigned sourceTexture, unsigned destTexture, const IntSize&);
+
+    bool hasMoreUpdates() const;
+
+    // Update some textures.
+    void update(CCGraphicsContext*, TextureAllocator*, TextureCopier*, TextureUploader*, size_t count);
+
+    void clear();
+
+private:
+    struct UpdateEntry {
+        LayerTextureUpdater::Texture* texture;
+        IntRect sourceRect;
+        IntRect destRect;
+    };
+
+    struct CopyEntry {
+        IntSize size;
+        unsigned sourceTexture;
+        unsigned destTexture;
+    };
+
+    static void appendUpdate(LayerTextureUpdater::Texture*, const IntRect& sourceRect, const IntRect& destRect, Vector<UpdateEntry>&);
+
+    size_t m_entryIndex;
+    Vector<UpdateEntry> m_entries;
+    Vector<UpdateEntry> m_partialEntries;
+    Vector<CopyEntry> m_copyEntries;
+};
+
+}
+
+#endif // CCTextureUpdater_h