cc: Always keep the PictureLayerImpl::twin_layer_ pointer valid.

cc/debug/rasterize_and_record_benchmark_impl.cc

Index: cc/debug/rasterize_and_record_benchmark_impl.cc
diff --git a/cc/debug/rasterize_and_record_benchmark_impl.cc b/cc/debug/rasterize_and_record_benchmark_impl.cc
index 612dad8249caf3558e12a99098e3c9ee297ed54c..09f6e872803a7efab42a6423543179bca7c4d59a 100644
--- a/cc/debug/rasterize_and_record_benchmark_impl.cc
+++ b/cc/debug/rasterize_and_record_benchmark_impl.cc
@@ -109,9 +109,9 @@ class FixedInvalidationPictureLayerTilingClient
   // client.
   const Region* GetInvalidation() override { return &invalidation_; }
 
-  const PictureLayerTiling* GetTwinTiling(
+  const PictureLayerTiling* GetPendingOrActiveTwinTiling(
       const PictureLayerTiling* tiling) const override {
-    return base_client_->GetTwinTiling(tiling);
+    return base_client_->GetPendingOrActiveTwinTiling(tiling);
   }
 
   PictureLayerTiling* GetRecycledTwinTiling(