Inject JSON parsing in WebResource as a callback rather than inheritance

chrome/browser/browser_process_impl.cc

 // Copyright (c) 2012 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/browser_process_impl.h"
 
 #include <algorithm>
 #include <map>
 #include <vector>
 
@@ skipping 62 matching lines @@
 #include "chrome/common/pref_names.h"
 #include "chrome/common/switch_utils.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/installer/util/google_update_constants.h"
 #include "chrome/installer/util/google_update_settings.h"
 #include "components/component_updater/component_updater_service.h"
 #include "components/gcm_driver/gcm_driver.h"
 #include "components/metrics/metrics_service.h"
 #include "components/network_time/network_time_tracker.h"
 #include "components/policy/core/common/policy_service.h"
+#include "components/safe_json/safe_json_parser.h"
 #include "components/signin/core/common/profile_management_switches.h"
 #include "components/translate/core/browser/translate_download_manager.h"
 #include "components/update_client/update_query_params.h"
 #include "components/web_resource/web_resource_pref_names.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/child_process_security_policy.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/plugin_service.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/resource_dispatcher_host.h"
@@ skipping 968 matching lines @@
   DCHECK(!plugins_resource_service_.get());
   plugins_resource_service_.reset(new PluginsResourceService(local_state()));
   plugins_resource_service_->Init();
 #endif
 #endif  // defined(ENABLE_PLUGINS)
 
   const base::CommandLine& command_line =
       *base::CommandLine::ForCurrentProcess();
   if (!command_line.HasSwitch(switches::kDisableWebResources)) {
     DCHECK(!promo_resource_service_.get());
-    promo_resource_service_.reset(
-        new PromoResourceService(local_state(), chrome::GetChannel()));
+    promo_resource_service_.reset(new PromoResourceService(
+        local_state(), chrome::GetChannel(), GetApplicationLocale(),
+        system_request_context(), switches::kDisableBackgroundNetworking,
+        base::Bind(safe_json::SafeJsonParser::Parse)));
     promo_resource_service_->StartAfterDelay();
   }
 
 #if !defined(OS_ANDROID) && !defined(OS_IOS)
   storage_monitor::StorageMonitor::Create();
 #endif
 
   child_process_watcher_.reset(new ChromeChildProcessWatcher());
 
   CacheDefaultWebClientState();
@@ skipping 169 matching lines @@
 }
 
 void BrowserProcessImpl::OnAutoupdateTimer() {
   if (CanAutorestartForUpdate()) {
     DLOG(WARNING) << "Detected update.  Restarting browser.";
     RestartBackgroundInstance();
   }
 }
 
 #endif  // (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)