Hook up ProfileIOData's URLRequestContext to a NetworkService.

chrome/browser/net/profile_network_context_service_factory.cc

+// Copyright 2017 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 "chrome/browser/net/profile_network_context_service_factory.h"
+
+#include "chrome/browser/net/profile_network_context_service.h"
+#include "chrome/browser/profiles/profile.h"
+#include "components/keyed_service/content/browser_context_dependency_manager.h"
+
+ProfileNetworkContextService*
+ProfileNetworkContextServiceFactory::GetForContext(
+    content::BrowserContext* browser_context) {
+  return static_cast<ProfileNetworkContextService*>(
+      GetInstance()->GetServiceForBrowserContext(browser_context, true));
+}
+
+ProfileNetworkContextServiceFactory*
+ProfileNetworkContextServiceFactory::GetInstance() {
+  return base::Singleton<ProfileNetworkContextServiceFactory>::get();
+}
+
+ProfileNetworkContextServiceFactory::ProfileNetworkContextServiceFactory()
+    : BrowserContextKeyedServiceFactory(
+          "ProfileNetworkContextService",
+          BrowserContextDependencyManager::GetInstance()) {}
+
+ProfileNetworkContextServiceFactory::~ProfileNetworkContextServiceFactory() {}
+
+KeyedService* ProfileNetworkContextServiceFactory::BuildServiceInstanceFor(
+    content::BrowserContext* profile) const {
+  return new ProfileNetworkContextService(Profile::FromBrowserContext(profile));
+}
+
+content::BrowserContext*
+ProfileNetworkContextServiceFactory::GetBrowserContextToUse(
+    content::BrowserContext* context) const {
+  // Create separate service for incognito profiles.
+  return context;
+}