Rename slot.getDistributedNodes() to slot.getAssingedNodes({flatten: true}).

third_party/WebKit/Source/core/html/AssignedNodesOptions.idl

Index: third_party/WebKit/Source/core/html/AssignedNodesOptions.idl
diff --git a/third_party/WebKit/Source/modules/worklet/Worklet.idl b/third_party/WebKit/Source/core/html/AssignedNodesOptions.idl
similarity index 54%
copy from third_party/WebKit/Source/modules/worklet/Worklet.idl
copy to third_party/WebKit/Source/core/html/AssignedNodesOptions.idl
index e4ad4f16744cc588b391d5134eacc3ed4dfa0d4c..5247c067a41f625201192547a913c6d79862b45d 100644
--- a/third_party/WebKit/Source/modules/worklet/Worklet.idl
+++ b/third_party/WebKit/Source/core/html/AssignedNodesOptions.idl
@@ -2,10 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// https://drafts.css-houdini.org/worklets/#worklet
+// http://w3c.github.io/webcomponents/spec/shadow/#idl-def-AssignedNodesOptions
 
-[
-    GarbageCollected,
-    RuntimeEnabled=Worklet,
-] interface Worklet {
+dictionary AssignedNodesOptions {
+    boolean flatten = false;
 };