Implement SkImageFilter support in the compositor.

webkit/compositor_bindings/web_layer_impl.cc

Index: webkit/compositor_bindings/web_layer_impl.cc
diff --git a/webkit/compositor_bindings/web_layer_impl.cc b/webkit/compositor_bindings/web_layer_impl.cc
index a54ae748ca4f83feffb6a26be8eab45648644c71..54f9d7f5b3fd7e15d75cdf96d9a6a4f95a7c11a3 100644
--- a/webkit/compositor_bindings/web_layer_impl.cc
+++ b/webkit/compositor_bindings/web_layer_impl.cc
@@ -272,6 +272,11 @@ void WebLayerImpl::setBackgroundFilters(const WebFilterOperations& filters)
     m_layer->setBackgroundFilters(filters);
 }
 
+void WebLayerImpl::setFilter(SkImageFilter* filter)
+{
+    m_layer->setFilter(filter);
+}
+
 void WebLayerImpl::setDebugBorderColor(const WebColor& color)
 {
     m_layer->setDebugBorderColor(color);