Revert of Create JSPromise

src/objects-inl.h

Index: src/objects-inl.h
diff --git a/src/objects-inl.h b/src/objects-inl.h
index ec26706dcdea6769608f935be1aa3ac69eb3588c..0531bf8262b9ac61dde7d38576930955ca091684 100644
--- a/src/objects-inl.h
+++ b/src/objects-inl.h
@@ -857,6 +857,7 @@
 
 
 TYPE_CHECKER(JSRegExp, JS_REGEXP_TYPE)
+
 
 template <> inline bool Is<JSArray>(Object* obj) {
   return obj->IsJSArray();
@@ -2093,7 +2094,7 @@
     case JS_WEAK_SET_TYPE:
       return JSWeakSet::kSize;
     case JS_PROMISE_TYPE:
-      return JSPromise::kSize;
+      return JSObject::kHeaderSize;
     case JS_REGEXP_TYPE:
       return JSRegExp::kSize;
     case JS_CONTEXT_EXTENSION_OBJECT_TYPE:
@@ -3322,7 +3323,6 @@
 CAST_ACCESSOR(JSProxy)
 CAST_ACCESSOR(JSReceiver)
 CAST_ACCESSOR(JSRegExp)
-CAST_ACCESSOR(JSPromise)
 CAST_ACCESSOR(JSSet)
 CAST_ACCESSOR(JSSetIterator)
 CAST_ACCESSOR(JSStringIterator)
@@ -7095,11 +7095,6 @@
 ACCESSORS(JSTypedArray, raw_length, Object, kLengthOffset)
 #endif
 
-SMI_ACCESSORS(JSPromise, status, kStatusOffset)
-ACCESSORS(JSPromise, result, Object, kResultOffset)
-ACCESSORS(JSPromise, deferred, Object, kDeferredOffset)
-ACCESSORS(JSPromise, fulfill_reactions, Object, kFulfillReactionsOffset)
-ACCESSORS(JSPromise, reject_reactions, Object, kRejectReactionsOffset)
 
 ACCESSORS(JSRegExp, data, Object, kDataOffset)
 ACCESSORS(JSRegExp, flags, Object, kFlagsOffset)