Use createV8Entry() and toV8Value() with context and isolate defined in WebDOMFileSystem.

content/renderer/pepper/resource_converter.cc

 // Copyright 2013 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 "content/renderer/pepper/resource_converter.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "content/public/renderer/renderer_ppapi_host.h"
 #include "content/renderer/pepper/pepper_file_system_host.h"
@@ skipping 123 matching lines @@
   blink::WebFileSystemType blink_type;
   if (!FileApiFileSystemTypeToWebFileSystemType(type, &blink_type))
     return false;
   blink::WebLocalFrame* frame = blink::WebLocalFrame::frameForContext(context);
   blink::WebDOMFileSystem web_dom_file_system = blink::WebDOMFileSystem::create(
       frame,
       blink_type,
       blink::WebString::fromUTF8(name),
       root_url,
       blink::WebDOMFileSystem::SerializableTypeSerializable);
-  *dom_file_system = web_dom_file_system.toV8Value();
+  *dom_file_system =
+      web_dom_file_system.toV8Value(context->Global(), context->GetIsolate());
   return true;
 }
 
 bool ResourceHostToDOMMediaStreamVideoTrack(
     content::PepperMediaStreamVideoTrackHost* host,
     v8::Handle<v8::Context> context,
     v8::Handle<v8::Value>* dom_video_track) {
   // TODO(ronghuawu): Implement this once crbug/352219 is resolved.
   // blink::WebMediaStreamTrack track = host->track();
   // *dom_video_track = track.toV8Value();
@@ skipping 179 matching lines @@
     const IPC::Message& create_message,
     const IPC::Message& browser_host_create_message) {
   scoped_refptr<HostResourceVar> result =
       CreateResourceVar(pending_renderer_id, create_message);
   browser_host_create_messages_.push_back(browser_host_create_message);
   browser_vars_.push_back(result);
   return result;
 }
 
 }  // namespace content