Enable Mojo to download from file URLs

mojo/loader/loader.cc

 // Copyright (c) 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 "mojo/loader/loader.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/threading/thread.h"
 #include "mojo/loader/url_request_context_getter.h"
 #include "net/url_request/url_fetcher.h"
@@ skipping 46 matching lines @@
 
 class Loader::Data {
  public:
   scoped_refptr<base::SingleThreadTaskRunner> file_runner;
   scoped_ptr<base::Thread> cache_thread;
   scoped_refptr<URLRequestContextGetter> url_request_context_getter;
 };
 
 Loader::Loader(base::SingleThreadTaskRunner* network_runner,
                base::SingleThreadTaskRunner* file_runner,
+               scoped_ptr<net::NetworkDelegate> network_delegate,
                base::FilePath base_path)
     : data_(new Data()) {
   data_->file_runner = file_runner;
   data_->cache_thread = CreateIOThread("cache_thread");
   data_->url_request_context_getter = new URLRequestContextGetter(
-      base_path, network_runner, data_->cache_thread->message_loop_proxy());
+      base_path, network_runner, file_runner,
+      data_->cache_thread->message_loop_proxy(),
+      network_delegate.Pass());
 }
 
 Loader::~Loader() {
 }
 
 scoped_ptr<Job> Loader::Load(const GURL& app_url, Job::Delegate* delegate) {
   JobImpl* job = new JobImpl(app_url, delegate);
   job->fetcher()->SetRequestContext(data_->url_request_context_getter.get());
   job->fetcher()->SaveResponseToTemporaryFile(data_->file_runner.get());
   job->fetcher()->Start();
   return make_scoped_ptr(static_cast<Job*>(job));
 }
 
 }  // namespace loader
 }  // namespace mojo