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

src/runtime/runtime-date.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/conversions-inl.h"
 #include "src/date.h"
 #include "src/dateparser-inl.h"
 #include "src/factory.h"
+#include "src/isolate-inl.h"
 #include "src/messages.h"
 
 namespace v8 {
 namespace internal {
 
 RUNTIME_FUNCTION(Runtime_DateMakeDay) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 2);
 
   CONVERT_SMI_ARG_CHECKED(year, 0);
@@ skipping 164 matching lines @@
   DCHECK_EQ(2, args.length());
   CONVERT_ARG_CHECKED(JSDate, date, 0);
   CONVERT_SMI_ARG_CHECKED(index, 1);
   DCHECK_LE(0, index);
   if (index == 0) return date->value();
   return JSDate::GetField(date, Smi::FromInt(index));
 }
 
 }  // namespace internal
 }  // namespace v8