Introduce IsUndefined(Isolate*) and IsTheHole(Isolate*)

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 6132 matching lines @@
   tracer->SampleAllocation(time3, counter3, 0);
   throughput = tracer->NewSpaceAllocationThroughputInBytesPerMillisecond(100);
   CHECK_EQ((counter3 - counter1) / (time3 - time1), throughput);
 }
 
 
 static void CheckLeak(const v8::FunctionCallbackInfo<v8::Value>& args) {
   Isolate* isolate = CcTest::i_isolate();
   Object* message =
       *reinterpret_cast<Object**>(isolate->pending_message_obj_address());
-  CHECK(message->IsTheHole());
+  CHECK(message->IsTheHole(isolate));
 }
 
 
 TEST(MessageObjectLeak) {
   CcTest::InitializeVM();
   v8::Isolate* isolate = CcTest::isolate();
   v8::HandleScope scope(isolate);
   v8::Local<v8::ObjectTemplate> global = v8::ObjectTemplate::New(isolate);
   global->Set(
       v8::String::NewFromUtf8(isolate, "check", v8::NewStringType::kNormal)
@@ skipping 591 matching lines @@
   CHECK(marking->IsComplete());
   intptr_t size_before = heap->SizeOfObjects();
   CcTest::heap()->CollectAllGarbage();
   intptr_t size_after = heap->SizeOfObjects();
   // Live size does not increase after garbage collection.
   CHECK_LE(size_after, size_before);
 }
 
 }  // namespace internal
 }  // namespace v8