Make isolate.h usable without objects-inl.h header.

src/runtime/runtime-object.cc

 // Copyright 2014 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/runtime/runtime-utils.h"
 
 #include "src/arguments.h"
 #include "src/bootstrapper.h"
 #include "src/debug/debug.h"
+#include "src/isolate-inl.h"
 #include "src/messages.h"
 #include "src/runtime/runtime.h"
 
 namespace v8 {
 namespace internal {
 
 
 MaybeHandle<Object> Runtime::GetObjectProperty(Isolate* isolate,
                                                Handle<Object> object,
                                                Handle<Object> key,
@@ skipping 1532 matching lines @@
   SealHandleScope scope(isolate);
   DCHECK_EQ(2, args.length());
   CONVERT_ARG_CHECKED(Object, object, 0);
   CONVERT_ARG_CHECKED(Object, prototype, 1);
   return isolate->heap()->ToBoolean(
       object->HasInPrototypeChain(isolate, prototype));
 }
 
 }  // namespace internal
 }  // namespace v8