[promises] Remove deferred object

src/objects.h

Index: src/objects.h
diff --git a/src/objects.h b/src/objects.h
index c0085e3773f7f6b7f55564b1042f61ed43bdcb32..f948a1b9e479e4b86db64c70bf0a8cc8ec5d8a59 100644
--- a/src/objects.h
+++ b/src/objects.h
@@ -6588,7 +6588,9 @@ class PromiseReactionJobInfo : public Struct {
   DECL_ACCESSORS(promise, JSPromise)
   DECL_ACCESSORS(value, Object)
   DECL_ACCESSORS(tasks, Object)
-  DECL_ACCESSORS(deferred, Object)
+  DECL_ACCESSORS(deferred_promise, Object)

[jgruber, 2016/12/21 08:08:28]

Let's document the tristate (Object/Undefined/FixedArray) of these as well or
point to the comment in JSPromise.

[gsathya, 2016/12/21 19:26:28]

Done.

+  DECL_ACCESSORS(deferred_on_resolve, Object)
+  DECL_ACCESSORS(deferred_on_reject, Object)
   DECL_ACCESSORS(debug_id, Object)
   DECL_ACCESSORS(debug_name, Object)
   DECL_ACCESSORS(context, Context)
@@ -6596,8 +6598,12 @@ class PromiseReactionJobInfo : public Struct {
   static const int kPromiseOffset = Struct::kHeaderSize;
   static const int kValueOffset = kPromiseOffset + kPointerSize;
   static const int kTasksOffset = kValueOffset + kPointerSize;
-  static const int kDeferredOffset = kTasksOffset + kPointerSize;
-  static const int kDebugIdOffset = kDeferredOffset + kPointerSize;
+  static const int kDeferredPromiseOffset = kTasksOffset + kPointerSize;
+  static const int kDeferredOnResolveOffset =
+      kDeferredPromiseOffset + kPointerSize;
+  static const int kDeferredOnRejectOffset =
+      kDeferredOnResolveOffset + kPointerSize;
+  static const int kDebugIdOffset = kDeferredOnRejectOffset + kPointerSize;
   static const int kDebugNameOffset = kDebugIdOffset + kPointerSize;
   static const int kContextOffset = kDebugNameOffset + kPointerSize;
   static const int kSize = kContextOffset + kPointerSize;
@@ -8644,7 +8650,9 @@ class JSPromise : public JSObject {
   // directly attached to the deferred field.
   // 3) FixedArray -- There is more than one callback and deferred
   // attached to a FixedArray.
-  DECL_ACCESSORS(deferred, Object)
+  DECL_ACCESSORS(deferred_promise, Object)
+  DECL_ACCESSORS(deferred_on_resolve, Object)
+  DECL_ACCESSORS(deferred_on_reject, Object)
   DECL_ACCESSORS(fulfill_reactions, Object)
   DECL_ACCESSORS(reject_reactions, Object)
 
@@ -8664,8 +8672,13 @@ class JSPromise : public JSObject {
   // Layout description.
   static const int kStatusOffset = JSObject::kHeaderSize;
   static const int kResultOffset = kStatusOffset + kPointerSize;
-  static const int kDeferredOffset = kResultOffset + kPointerSize;
-  static const int kFulfillReactionsOffset = kDeferredOffset + kPointerSize;
+  static const int kDeferredPromiseOffset = kResultOffset + kPointerSize;
+  static const int kDeferredOnResolveOffset =
+      kDeferredPromiseOffset + kPointerSize;
+  static const int kDeferredOnRejectOffset =
+      kDeferredOnResolveOffset + kPointerSize;
+  static const int kFulfillReactionsOffset =
+      kDeferredOnRejectOffset + kPointerSize;
   static const int kRejectReactionsOffset =
       kFulfillReactionsOffset + kPointerSize;
   static const int kFlagsOffset = kRejectReactionsOffset + kPointerSize;