deps: V8: cherry-pick e5f01ba

Original commit message:

    [cleanup] Remove unused stack_trace_ member from PromiseRejectMessage

    R=yangguo@chromium.org

    Bug: v8:8742
    Change-Id: I307097021893617ed5178f1e967f9360a55cd929
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1520710
    Auto-Submit: Simon Zünd <szuend@chromium.org>
    Commit-Queue: Yang Guo <yangguo@chromium.org>
    Reviewed-by: Yang Guo <yangguo@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#60221}

Refs: v8/v8@e5f01ba

PR-URL: #26685
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>

common.gypi

@@ -37,7 +37,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.7',
+    'v8_embedder_string': '-node.8',
 
     ##### V8 defaults for Node.js #####
 

deps/v8/include/v8.h

@@ -6717,11 +6717,8 @@ enum PromiseRejectEvent {
 class PromiseRejectMessage {
  public:
   PromiseRejectMessage(Local<Promise> promise, PromiseRejectEvent event,
-                       Local<Value> value, Local<StackTrace> stack_trace)
-      : promise_(promise),
-        event_(event),
-        value_(value),
-        stack_trace_(stack_trace) {}
+                       Local<Value> value)
+      : promise_(promise), event_(event), value_(value) {}
 
   V8_INLINE Local<Promise> GetPromise() const { return promise_; }
   V8_INLINE PromiseRejectEvent GetEvent() const { return event_; }
@@ -6731,7 +6728,6 @@ class PromiseRejectMessage {
   Local<Promise> promise_;
   PromiseRejectEvent event_;
   Local<Value> value_;
-  Local<StackTrace> stack_trace_;
 };
 
 typedef void (*PromiseRejectCallback)(PromiseRejectMessage message);

deps/v8/src/isolate.cc

@@ -4400,13 +4400,8 @@ void Isolate::ReportPromiseReject(Handle<JSPromise> promise,
                                   Handle<Object> value,
                                   v8::PromiseRejectEvent event) {
   if (promise_reject_callback_ == nullptr) return;
-  Handle<FixedArray> stack_trace;
-  if (event != v8::kPromiseHandlerAddedAfterReject && value->IsJSObject()) {
-    stack_trace = GetDetailedStackTrace(Handle<JSObject>::cast(value));
-  }
   promise_reject_callback_(v8::PromiseRejectMessage(
-      v8::Utils::PromiseToLocal(promise), event, v8::Utils::ToLocal(value),
-      v8::Utils::StackTraceToLocal(stack_trace)));
+      v8::Utils::PromiseToLocal(promise), event, v8::Utils::ToLocal(value)));
 }
 
 void Isolate::SetUseCounterCallback(v8::Isolate::UseCounterCallback callback) {