Fix windows compile error

components/dom_distiller/content/renderer/distiller_native_javascript.cc

 // Copyright 2015 The Chromium 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 "components/dom_distiller/content/renderer/distiller_native_javascript.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 52 matching lines @@
 
 v8::Local<v8::Object> GetOrCreateDistillerObject(v8::Isolate* isolate,
                                                  v8::Local<v8::Object> global) {
   v8::Local<v8::Object> distiller_obj;
   v8::Local<v8::Value> distiller_value =
       global->Get(gin::StringToV8(isolate, "distiller"));
   if (distiller_value.IsEmpty() || !distiller_value->IsObject()) {
     distiller_obj = v8::Object::New(isolate);
     global->Set(gin::StringToSymbol(isolate, "distiller"), distiller_obj);
   } else {
-    distiller_obj = v8::Local<v8::Object>::Cast(distiller_value);
+    distiller_obj = distiller_value.As<v8::Object>();
   }
   return distiller_obj;
 }
 
 }  // namespace dom_distiller