Hook up ProfileIOData's URLRequestContext to a NetworkService.

content/public/common/resource_request.h

 // Copyright 2016 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 CONTENT_PUBLIC_COMMON_RESOURCE_REQUEST_H_
 #define CONTENT_PUBLIC_COMMON_RESOURCE_REQUEST_H_
 
 #include <stdint.h>
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/optional.h"
 #include "content/common/content_export.h"
-#include "content/public/common/appcache_info.h"
 #include "content/public/common/previews_state.h"
 #include "content/public/common/request_context_frame_type.h"
 #include "content/public/common/request_context_type.h"
 #include "content/public/common/resource_request_body.h"
 #include "content/public/common/resource_type.h"
 #include "content/public/common/service_worker_modes.h"
 #include "net/base/request_priority.h"
 #include "third_party/WebKit/public/platform/WebMixedContentContextType.h"
 #include "third_party/WebKit/public/platform/WebPageVisibilityState.h"
 #include "third_party/WebKit/public/platform/WebReferrerPolicy.h"
@@ skipping 56 matching lines @@
   ResourceType resource_type = RESOURCE_TYPE_MAIN_FRAME;
 
   // The priority of this request determined by Blink.
   net::RequestPriority priority = net::IDLE;
 
   // Used by plugin->browser requests to get the correct net::URLRequestContext.
   uint32_t request_context = 0;
 
   // Indicates which frame (or worker context) the request is being loaded into,
   // or kAppCacheNoHostId.
-  int appcache_host_id = kAppCacheNoHostId;
+  int appcache_host_id;
 
   // True if corresponding AppCache group should be resetted.
   bool should_reset_appcache = false;
 
   // Indicates which frame (or worker context) the request is being loaded into,
   // or kInvalidServiceWorkerProviderId.
   int service_worker_provider_id = kInvalidServiceWorkerProviderId;
 
   // True if the request originated from a Service Worker, e.g. due to a
   // fetch() in the Service Worker script.
@@ skipping 94 matching lines @@
   bool initiated_in_secure_context = false;
 
   // The response should be downloaded and stored in the network cache, but not
   // sent back to the renderer.
   bool download_to_network_cache_only = false;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_RESOURCE_REQUEST_H_