[promises] port NewPromiseCapability to TF

src/builtins/builtins-promise.h

Index: src/builtins/builtins-promise.h
diff --git a/src/builtins/builtins-promise.h b/src/builtins/builtins-promise.h
index ba667ce801125ceae286676d5338020c0ca83c8f..7d8ed41c2780afe45fb37066d3d328b6ab375684 100644
--- a/src/builtins/builtins-promise.h
+++ b/src/builtins/builtins-promise.h
@@ -44,6 +44,13 @@ class PromiseBuiltinsAssembler : public CodeStubAssembler {
 
   std::pair<Node*, Node*> CreatePromiseResolvingFunctions(
       Node* promise, Node* native_context, Node* promise_context);
+
+  Node* CreatePromiseGetCapabilitiesExecutorContext(Node* native_context,
+                                                    Node* promise_capability);
+
+  Node* NewPromiseCapability(Node* context, Node* constructor,
+                             Node* debug_event = nullptr);
+  Node* NewInternalPromiseCapability(Node* context, Node* parent);
 };
 
 }  // namespace internal