Revert of Migrate error messages, part 10.

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 2489 matching lines @@
     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 (JSReceiver::GetDataProperty(promise, key)->IsUndefined()) {
+  if (JSObject::GetDataProperty(promise, key)->IsUndefined()) {
     OnException(value, promise);
   }
 }
 
 
 MaybeHandle<Object> Debug::PromiseHasUserDefinedRejectHandler(
     Handle<JSObject> promise) {
   Handle<JSFunction> fun = Handle<JSFunction>::cast(
-      JSReceiver::GetDataProperty(isolate_->js_builtins_object(),
-                                  isolate_->factory()->NewStringFromStaticChars(
-                                      "$promiseHasUserDefinedRejectHandler")));
+      JSObject::GetDataProperty(isolate_->js_builtins_object(),
+                                isolate_->factory()->NewStringFromStaticChars(
+                                    "$promiseHasUserDefinedRejectHandler")));
   return Execution::Call(isolate_, fun, promise, 0, NULL);
 }
 
 
 void Debug::OnException(Handle<Object> exception, Handle<Object> promise) {
   Isolate::CatchType catch_type = isolate_->PredictExceptionCatcher();
   bool uncaught = (catch_type == Isolate::NOT_CAUGHT);
   if (promise->IsJSObject()) {
     Handle<JSObject> jspromise = Handle<JSObject>::cast(promise);
     // Mark the promise as already having triggered a message.
@@ skipping 867 matching lines @@
   logger_->DebugEvent("Put", message.text());
 }
 
 
 void LockingCommandMessageQueue::Clear() {
   base::LockGuard<base::Mutex> lock_guard(&mutex_);
   queue_.Clear();
 }
 
 } }  // namespace v8::internal