[heap] Fix PromotionQueue test for smaller page size

test/cctest/heap/test-heap.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 5573 matching lines @@
 
   for (HeapObject* obj = it.next(); obj != NULL; obj = it.next()) {
     // Let's not optimize the loop away.
     CHECK(obj->address() != nullptr);
   }
 }
 
 
 UNINITIALIZED_TEST(PromotionQueue) {
   i::FLAG_expose_gc = true;
-  i::FLAG_max_semi_space_size = 2 * (Page::kPageSize / MB);
+  i::FLAG_max_semi_space_size = 2 * Page::kPageSize / MB;
   i::FLAG_min_semi_space_size = i::FLAG_max_semi_space_size;
   v8::Isolate::CreateParams create_params;
   create_params.array_buffer_allocator = CcTest::array_buffer_allocator();
   v8::Isolate* isolate = v8::Isolate::New(create_params);
   i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
   {
     v8::Isolate::Scope isolate_scope(isolate);
     v8::HandleScope handle_scope(isolate);
     v8::Context::New(isolate)->Enter();
     Heap* heap = i_isolate->heap();
@@ skipping 1156 matching lines @@
 
   intptr_t size_before = heap->SizeOfObjects();
   Handle<FixedArray> array = isolate->factory()->NewFixedArray(200000);
   array->Shrink(1);
   intptr_t size_after = heap->SizeOfObjects();
   CHECK_EQ(size_after, size_before + array->Size());
 }
 
 }  // namespace internal
 }  // namespace v8