void GraphicsLayerCACF::updateLayerPosition()
{
    // Position is offset on the layer by the layer anchor point.
    CGPoint posPoint = CGPointMake(m_position.x() + m_anchorPoint.x() * m_size.width(),
                                   m_position.y() + m_anchorPoint.y() * m_size.height());
    
    primaryLayer()->setPosition(posPoint);
}

void GraphicsLayerChromium::setOpacity(float opacity)
{
    float clampedOpacity = max(min(opacity, 1.0f), 0.0f);

    if (m_opacity == clampedOpacity)
        return;

    GraphicsLayer::setOpacity(clampedOpacity);
    primaryLayer()->setOpacity(opacity);
}

void GraphicsLayerCACF::updateChildrenTransform()
{
    CATransform3D transform;
    copyTransform(transform, m_childrenTransform);
    primaryLayer()->setSublayerTransform(transform);
}

// This function simply mimics the operation of GraphicsLayerCA
void GraphicsLayerChromium::updateOpacityOnLayer()
{
    primaryLayer()->setOpacity(m_opacity);
}