void GraphicsLayerChromium::setMaskLayer(GraphicsLayer* maskLayer) { if (maskLayer == m_maskLayer) return; GraphicsLayer::setMaskLayer(maskLayer); LayerChromium* maskLayerChromium = m_maskLayer ? m_maskLayer->platformLayer() : 0; if (maskLayerChromium) maskLayerChromium->setIsMask(true); m_layer->setMaskLayer(maskLayerChromium); }