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

ui/cc/cc/CCVideoLayerImpl.h

Index: ui/cc/cc/CCVideoLayerImpl.h
diff --git a/ui/cc/cc/CCVideoLayerImpl.h b/ui/cc/cc/CCVideoLayerImpl.h
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index 0000000000000000000000000000000000000000..b2e088fcf713402fd42e5a4ce3c26978e0555114
--- /dev/null
+++ b/ui/cc/cc/CCVideoLayerImpl.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 CCVideoLayerImpl_h
+#define CCVideoLayerImpl_h
+
+#include "GraphicsContext3D.h"
+#include "IntSize.h"
+#include "cc/CCLayerImpl.h"
+#include <public/WebTransformationMatrix.h>
+#include <public/WebVideoFrameProvider.h>
+
+namespace WebKit {
+class WebVideoFrame;
+}
+
+namespace WebCore {
+
+class CCLayerTreeHostImpl;
+class CCVideoLayerImpl;
+
+class CCVideoLayerImpl : public CCLayerImpl
+                       , public WebKit::WebVideoFrameProvider::Client {
+public:
+    static PassOwnPtr<CCVideoLayerImpl> create(int id, WebKit::WebVideoFrameProvider* provider)
+    {
+        return adoptPtr(new CCVideoLayerImpl(id, provider));
+    }
+    virtual ~CCVideoLayerImpl();
+
+    virtual void willDraw(CCRenderer*, CCGraphicsContext*) OVERRIDE;
+    virtual void appendQuads(CCQuadCuller&, const CCSharedQuadState*, bool& hadMissingTiles) OVERRIDE;
+    virtual void didDraw() OVERRIDE;
+
+    virtual void dumpLayerProperties(TextStream&, int indent) const OVERRIDE;
+
+    Mutex& providerMutex() { return m_providerMutex; }
+
+    // WebKit::WebVideoFrameProvider::Client implementation.
+    virtual void stopUsingProvider(); // Callable on any thread.
+    virtual void didReceiveFrame(); // Callable on impl thread.
+    virtual void didUpdateMatrix(const float*); // Callable on impl thread.
+
+    virtual void didLoseContext() OVERRIDE;
+
+    void setNeedsRedraw();
+
+    struct FramePlane {
+        unsigned textureId;
+        IntSize size;
+        GC3Denum format;
+        IntSize visibleSize;
+
+        FramePlane() : textureId(0) { }
+
+        bool allocateData(CCGraphicsContext*);
+        void freeData(CCGraphicsContext*);
+    };
+
+private:
+    CCVideoLayerImpl(int, WebKit::WebVideoFrameProvider*);
+
+    static IntSize computeVisibleSize(const WebKit::WebVideoFrame&, unsigned plane);
+    virtual const char* layerTypeAsString() const OVERRIDE { return "VideoLayer"; }
+
+    void willDrawInternal(CCRenderer*, CCGraphicsContext*);
+    bool allocatePlaneData(CCRenderer*, CCGraphicsContext*);
+    bool copyPlaneData(CCRenderer*, CCGraphicsContext*);
+    void freePlaneData(CCGraphicsContext*);
+    void freeUnusedPlaneData(CCGraphicsContext*);
+
+    // Guards the destruction of m_provider and the frame that it provides
+    Mutex m_providerMutex;
+    WebKit::WebVideoFrameProvider* m_provider;
+
+    WebKit::WebTransformationMatrix m_streamTextureMatrix;
+
+    WebKit::WebVideoFrame* m_frame;
+    GC3Denum m_format;
+
+    // Each index in this array corresponds to a plane in WebKit::WebVideoFrame.
+    FramePlane m_framePlanes[WebKit::WebVideoFrame::maxPlanes];
+};
+
+}
+
+#endif // CCVideoLayerImpl_h