Update the network service from the Mojo repo.

mojo/services/network/network_context.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 MOJO_SERVICES_NETWORK_NETWORK_CONTEXT_H_
 #define MOJO_SERVICES_NETWORK_NETWORK_CONTEXT_H_
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 
 namespace base {
 class FilePath;
 }
 
 namespace net {
 class URLRequestContext;
 }
 
 namespace mojo {
 
 class NetworkContext {
  public:
+  explicit NetworkContext(
+      scoped_ptr<net::URLRequestContext> url_request_context);
   explicit NetworkContext(const base::FilePath& base_path);
   ~NetworkContext();
 
   net::URLRequestContext* url_request_context() {
     return url_request_context_.get();
   }
 
  private:
+  static scoped_ptr<net::URLRequestContext> MakeURLRequestContext(
+      const base::FilePath& base_path);
+
   scoped_ptr<net::URLRequestContext> url_request_context_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkContext);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_SERVICES_NETWORK_NETWORK_CONTEXT_H_