Removed funky Maybe constructor and made fields private.

test/cctest/test-mark-compact.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 27 matching lines @@
 #include <utility>
 
 #include "src/v8.h"
 
 #include "src/full-codegen.h"
 #include "src/global-handles.h"
 #include "src/snapshot.h"
 #include "test/cctest/cctest.h"
 
 using namespace v8::internal;
+using v8::Just;
 
 
 TEST(MarkingDeque) {
   CcTest::InitializeVM();
   int mem_size = 20 * kPointerSize;
   byte* mem = NewArray<byte>(20*kPointerSize);
   Address low = reinterpret_cast<Address>(mem);
   Address high = low + mem_size;
   MarkingDeque s;
   s.Initialize(low, high);
@@ skipping 102 matching lines @@
     Handle<JSFunction> function = factory->NewFunction(func_name);
     JSReceiver::SetProperty(global, func_name, function, SLOPPY).Check();
 
     factory->NewJSObject(function);
   }
 
   heap->CollectGarbage(OLD_POINTER_SPACE, "trigger 4");
 
   { HandleScope scope(isolate);
     Handle<String> func_name = factory->InternalizeUtf8String("theFunction");
-    v8::Maybe<bool> maybe = JSReceiver::HasOwnProperty(global, func_name);
-    CHECK(maybe.has_value);
-    CHECK(maybe.value);
+    CHECK(Just(true) == JSReceiver::HasOwnProperty(global, func_name));
     Handle<Object> func_value =
         Object::GetProperty(global, func_name).ToHandleChecked();
     CHECK(func_value->IsJSFunction());
     Handle<JSFunction> function = Handle<JSFunction>::cast(func_value);
     Handle<JSObject> obj = factory->NewJSObject(function);
 
     Handle<String> obj_name = factory->InternalizeUtf8String("theObject");
     JSReceiver::SetProperty(global, obj_name, obj, SLOPPY).Check();
     Handle<String> prop_name = factory->InternalizeUtf8String("theSlot");
     Handle<Smi> twenty_three(Smi::FromInt(23), isolate);
     JSReceiver::SetProperty(obj, prop_name, twenty_three, SLOPPY).Check();
   }
 
   heap->CollectGarbage(OLD_POINTER_SPACE, "trigger 5");
 
   { HandleScope scope(isolate);
     Handle<String> obj_name = factory->InternalizeUtf8String("theObject");
-    v8::Maybe<bool> maybe = JSReceiver::HasOwnProperty(global, obj_name);
-    CHECK(maybe.has_value);
-    CHECK(maybe.value);
+    CHECK(Just(true) == JSReceiver::HasOwnProperty(global, obj_name));
     Handle<Object> object =
         Object::GetProperty(global, obj_name).ToHandleChecked();
     CHECK(object->IsJSObject());
     Handle<String> prop_name = factory->InternalizeUtf8String("theSlot");
     CHECK_EQ(*Object::GetProperty(object, prop_name).ToHandleChecked(),
              Smi::FromInt(23));
   }
 }
 
 
@@ skipping 283 matching lines @@
 
 
 TEST(RegressJoinThreadsOnIsolateDeinit) {
   intptr_t size_limit = ShortLivingIsolate() * 2;
   for (int i = 0; i < 10; i++) {
     CHECK_GT(size_limit, ShortLivingIsolate());
   }
 }
 
 #endif  // __linux__ and !USE_SIMULATOR