Fix paint property under-invalidation checking about reference filters

third_party/WebKit/Source/core/paint/PaintLayer.cpp

Index: third_party/WebKit/Source/core/paint/PaintLayer.cpp
diff --git a/third_party/WebKit/Source/core/paint/PaintLayer.cpp b/third_party/WebKit/Source/core/paint/PaintLayer.cpp
index 24badd0f8985551a921d7dfcb484d25d0ab069e0..c19a0e5157b8c304d29ac2445dbfe3d1c81fe6eb 100644
--- a/third_party/WebKit/Source/core/paint/PaintLayer.cpp
+++ b/third_party/WebKit/Source/core/paint/PaintLayer.cpp
@@ -3019,13 +3019,17 @@ FilterOperations PaintLayer::addReflectionToFilterOperations(
 
 CompositorFilterOperations
 PaintLayer::createCompositorFilterOperationsForFilter(
-    const ComputedStyle& style) {
+    const ComputedStyle& style,
+    FilterOperations* styleFilterOperations) {
   FloatRect zoomedReferenceBox;
   if (style.filter().hasReferenceFilter())
     zoomedReferenceBox = boxForFilterOrMask();
   FilterEffectBuilder builder(enclosingNode(), zoomedReferenceBox,
                               style.effectiveZoom());
-  return builder.buildFilterOperations(addReflectionToFilterOperations(style));
+  FilterOperations operations = addReflectionToFilterOperations(style);
+  if (styleFilterOperations)
+    *styleFilterOperations = operations;
+  return builder.buildFilterOperations(operations);
 }
 
 CompositorFilterOperations