Simplify ContentHandlerFactory a bit.

services/java_handler/java_handler.h

 // Copyright 2014 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.
 
 #ifndef SERVICES_JAVA_HANDLER_JAVA_HANDLER_H_
 #define SERVICES_JAVA_HANDLER_JAVA_HANDLER_H_
 
 #include <jni.h>
 
 #include "base/files/file_path.h"
@@ skipping 23 matching lines @@
   void RunApplication(
       mojo::InterfaceRequest<mojo::Application> application_request,
       mojo::URLResponsePtr response) override;
 
   void GetApplication(base::FilePath* archive_path,
                       base::FilePath* cache_dir,
                       mojo::URLResponsePtr response,
                       const base::Closure& callback);
 
   mojo::TracingImpl tracing_;
-  mojo::ContentHandlerFactory content_handler_factory_;
   mojo::URLResponseDiskCachePtr url_response_disk_cache_;
   scoped_refptr<base::SingleThreadTaskRunner> handler_task_runner_;
   MOJO_DISALLOW_COPY_AND_ASSIGN(JavaHandler);
 };
 
 }  // namespace android
 }  // namespace services
 
 #endif  // SERVICES_JAVA_HANDLER_JAVA_HANDLER_H_