Remove unsafe access hacks from ScopedPersistent.

chrome/renderer/extensions/chrome_v8_context.cc

 // Copyright (c) 2012 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 "chrome/renderer/extensions/chrome_v8_context.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_split.h"
 #include "base/values.h"
@@ skipping 125 matching lines @@
                                          bool success,
                                          const base::ListValue& response,
                                          const std::string& error) {
   v8::HandleScope handle_scope(isolate());
 
   scoped_ptr<V8ValueConverter> converter(V8ValueConverter::create());
   v8::Handle<v8::Value> argv[] = {
     v8::Integer::New(request_id),
     v8::String::New(name.c_str()),
     v8::Boolean::New(success),
-    converter->ToV8Value(&response, v8_context_.get()),
+    converter->ToV8Value(&response, v8_context_.NewHandle(isolate())),
     v8::String::New(error.c_str())
   };
 
   v8::Handle<v8::Value> retval = module_system_->CallModuleMethod(
       "sendRequest", "handleResponse", arraysize(argv), argv);
 
   // In debug, the js will validate the callback parameters and return a
   // string if a validation error has occured.
   if (DCHECK_IS_ON()) {
     if (!retval.IsEmpty() && !retval->IsUndefined()) {
       std::string error = *v8::String::AsciiValue(retval);
       DCHECK(false) << error;
     }
   }
 }
 
 }  // namespace extensions