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

src/api-arguments.h

 // Copyright 2016 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.
 
 #ifndef V8_API_ARGUMENTS_H_
 #define V8_API_ARGUMENTS_H_
 
 #include "src/api.h"
 #include "src/isolate.h"
 #include "src/tracing/trace-event.h"
@@ skipping 40 matching lines @@
     return reinterpret_cast<Isolate*>(this->begin()[T::kIsolateIndex]);
   }
 };
 
 template <typename T>
 template <typename V>
 Handle<V> CustomArguments<T>::GetReturnValue(Isolate* isolate) {
   // Check the ReturnValue.
   Object** handle = &this->begin()[kReturnValueOffset];
   // Nothing was set, return empty handle as per previous behaviour.
-  if ((*handle)->IsTheHole()) return Handle<V>();
+  if ((*handle)->IsTheHole(isolate)) return Handle<V>();
   Handle<V> result = Handle<V>::cast(Handle<Object>(handle));
   result->VerifyApiCallResultType();
   return result;
 }
 
 class PropertyCallbackArguments
     : public CustomArguments<PropertyCallbackInfo<Value> > {
  public:
   typedef PropertyCallbackInfo<Value> T;
   typedef CustomArguments<T> Super;
@@ skipping 180 matching lines @@
 
  private:
   internal::Object** argv_;
   int argc_;
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_API_ARGUMENTS_H_