[SPv2] Associate effect property nodes for SVG paint chunks

third_party/WebKit/Source/core/layout/LayoutObject.h

Index: third_party/WebKit/Source/core/layout/LayoutObject.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutObject.h b/third_party/WebKit/Source/core/layout/LayoutObject.h
index 5757694cf4caa5d19d02c67548108868b68b706a..175c2efb25c6ebe4ea0e69932db0ab40dbd1a3d1 100644
--- a/third_party/WebKit/Source/core/layout/LayoutObject.h
+++ b/third_party/WebKit/Source/core/layout/LayoutObject.h
@@ -649,7 +649,11 @@ class CORE_EXPORT LayoutObject : public ImageResourceObserver,
     return !isSVG() || (isSVGContainer() && !isSVGHiddenContainer()) ||
            isSVGShape() || isSVGImage() || isSVGText();
   }
-  virtual bool hasNonIsolatedBlendingDescendants() const { return false; }
+  virtual bool hasNonIsolatedBlendingDescendants() const {
+    // SVG only. For non-SVG objects, query PaintLayer instead.
+    NOTREACHED();
+    return false;
+  }
   enum DescendantIsolationState {
     DescendantIsolationRequired,
     DescendantIsolationNeedsUpdate,