CSS filters: fix filtered parent with animated transform child.

third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.cpp

Index: third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.cpp
diff --git a/third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.cpp b/third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.cpp
index f10007a9157adcbfd4525b9c31d43fdaf037d500..2dd446103701d3415f745ac25d3029d653d5f869 100644
--- a/third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.cpp
+++ b/third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.cpp
@@ -271,6 +271,11 @@ void CompositedLayerMapping::updateTransform(const ComputedStyle& style)
 void CompositedLayerMapping::updateFilters(const ComputedStyle& style)
 {
     m_graphicsLayer->setFilters(owningLayer().computeFilterOperations(style));
+    for (PaintLayer* layer = owningLayer().parent(); layer; layer = layer->parent()) {
+        if (layer->layoutObject() && layer->graphicsLayerBacking() && layer->layoutObject()->style()) {
+            layer->graphicsLayerBacking()->setFilters(layer->computeFilterOperations(*layer->layoutObject()->style()));
+        }
+    }
 }
 
 void CompositedLayerMapping::updateBackdropFilters(const ComputedStyle& style)