Remove kind field from StackHandler.

src/debug.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/api.h"
 #include "src/arguments.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
@@ skipping 2438 matching lines @@
 }
 
 
 MaybeHandle<Object> Debug::MakeAsyncTaskEvent(Handle<JSObject> task_event) {
   // Create the async task event object.
   Handle<Object> argv[] = { task_event };
   return MakeJSObject("MakeAsyncTaskEvent", arraysize(argv), argv);
 }
 
 
-void Debug::OnThrow(Handle<Object> exception, bool uncaught) {
+void Debug::OnThrow(Handle<Object> exception) {
   if (in_debug_scope() || ignore_events()) return;
   // Temporarily clear any scheduled_exception to allow evaluating
   // JavaScript from the debug event handler.
   HandleScope scope(isolate_);
   Handle<Object> scheduled_exception;
   if (isolate_->has_scheduled_exception()) {
     scheduled_exception = handle(isolate_->scheduled_exception(), isolate_);
     isolate_->clear_scheduled_exception();
   }
-  OnException(exception, uncaught, isolate_->GetPromiseOnStackOnThrow());
+  OnException(exception, isolate_->GetPromiseOnStackOnThrow());
   if (!scheduled_exception.is_null()) {
     isolate_->thread_local_top()->scheduled_exception_ = *scheduled_exception;
   }
 }
 
 
 void Debug::OnPromiseReject(Handle<JSObject> promise, Handle<Object> value) {
   if (in_debug_scope() || ignore_events()) return;
   HandleScope scope(isolate_);
   // Check whether the promise has been marked as having triggered a message.
   Handle<Symbol> key = isolate_->factory()->promise_debug_marker_symbol();
   if (JSObject::GetDataProperty(promise, key)->IsUndefined()) {
-    OnException(value, false, promise);
+    OnException(value, promise);
   }
 }
 
 
 MaybeHandle<Object> Debug::PromiseHasUserDefinedRejectHandler(
     Handle<JSObject> promise) {
   Handle<JSFunction> fun = Handle<JSFunction>::cast(
       JSObject::GetDataProperty(isolate_->js_builtins_object(),
                                 isolate_->factory()->NewStringFromStaticChars(
                                     "PromiseHasUserDefinedRejectHandler")));
   return Execution::Call(isolate_, fun, promise, 0, NULL);
 }
 
 
-void Debug::OnException(Handle<Object> exception, bool uncaught,
-                        Handle<Object> promise) {
+void Debug::OnException(Handle<Object> exception, Handle<Object> promise) {
+  bool uncaught = !isolate_->PredictWhetherExceptionIsCaught(*exception);
   if (!uncaught && promise->IsJSObject()) {
     Handle<JSObject> jspromise = Handle<JSObject>::cast(promise);
     // Mark the promise as already having triggered a message.
     Handle<Symbol> key = isolate_->factory()->promise_debug_marker_symbol();
     JSObject::SetProperty(jspromise, key, key, STRICT).Assert();
     // Check whether the promise reject is considered an uncaught exception.
     Handle<Object> has_reject_handler;
     ASSIGN_RETURN_ON_EXCEPTION_VALUE(
         isolate_, has_reject_handler,
         PromiseHasUserDefinedRejectHandler(jspromise), /* void */);
@@ skipping 873 matching lines @@
   logger_->DebugEvent("Put", message.text());
 }
 
 
 void LockingCommandMessageQueue::Clear() {
   base::LockGuard<base::Mutex> lock_guard(&mutex_);
   queue_.Clear();
 }
 
 } }  // namespace v8::internal