Reland^2 "Use C++ implementation of Object.definePropert{y,ies}"

src/lookup.h

Index: src/lookup.h
diff --git a/src/lookup.h b/src/lookup.h
index b0564431c501e646e9a6b600b4281c8f2b72b9ba..5396619852ea94981531d46b2877a2bc1c06dada 100644
--- a/src/lookup.h
+++ b/src/lookup.h
@@ -162,6 +162,8 @@ class LookupIterator final BASE_EMBEDDED {
       Isolate* isolate, Handle<Object> receiver, Handle<Object> key,
       bool* success, Configuration configuration = DEFAULT);
 
+  void Restart() { RestartInternal(InterceptorState::kUninitialized); }
+
   Isolate* isolate() const { return isolate_; }
   State state() const { return state_; }
 
@@ -260,7 +262,10 @@ class LookupIterator final BASE_EMBEDDED {
 
   MUST_USE_RESULT inline JSReceiver* NextHolder(Map* map);
   inline State LookupInHolder(Map* map, JSReceiver* holder);
-  void RestartLookupForNonMaskingInterceptors();
+  void RestartLookupForNonMaskingInterceptors() {
+    RestartInternal(InterceptorState::kProcessNonMasking);
+  }
+  void RestartInternal(InterceptorState interceptor_state);
   State LookupNonMaskingInterceptorInHolder(Map* map, JSReceiver* holder);
   Handle<Object> FetchValue() const;
   void ReloadPropertyInformation();