cleanup: Use EventRouter instead of ExtensionSystem::Get->event_router()

chrome/browser/extensions/api/identity/identity_api.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/extensions/api/identity/identity_api.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 12 matching lines @@
 #include "chrome/browser/signin/signin_global_error.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/common/extensions/api/identity.h"
 #include "chrome/common/extensions/api/identity/oauth2_manifest_handler.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "components/signin/core/browser/profile_oauth2_token_service.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "extensions/browser/event_router.h"
 #include "extensions/browser/extension_function_dispatcher.h"
-#include "extensions/browser/extension_system.h"
 #include "extensions/common/extension.h"
 #include "google_apis/gaia/gaia_urls.h"
 #include "url/gurl.h"
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h"
 #include "chrome/browser/chromeos/settings/device_oauth2_token_service.h"
 #include "chrome/browser/chromeos/settings/device_oauth2_token_service_factory.h"
 #include "google_apis/gaia/gaia_constants.h"
@@ skipping 156 matching lines @@
                                          bool is_signed_in) {
   api::identity::AccountInfo account_info;
   account_info.id = ids.gaia;
 
   scoped_ptr<base::ListValue> args =
       api::identity::OnSignInChanged::Create(account_info, is_signed_in);
   scoped_ptr<Event> event(new Event(api::identity::OnSignInChanged::kEventName,
                                     args.Pass(),
                                     browser_context_));
 
-  ExtensionSystem::Get(browser_context_)->event_router()->BroadcastEvent(
-      event.Pass());
+  EventRouter::Get(browser_context_)->BroadcastEvent(event.Pass());
 }
 
 void IdentityAPI::AddShutdownObserver(ShutdownObserver* observer) {
   shutdown_observer_list_.AddObserver(observer);
 }
 
 void IdentityAPI::RemoveShutdownObserver(ShutdownObserver* observer) {
   shutdown_observer_list_.RemoveObserver(observer);
 }
 
@@ skipping 553 matching lines @@
 void IdentityLaunchWebAuthFlowFunction::OnAuthFlowURLChange(
     const GURL& redirect_url) {
   if (redirect_url.GetWithEmptyPath() == final_url_prefix_) {
     SetResult(new base::StringValue(redirect_url.spec()));
     SendResponse(true);
     Release();  // Balanced in RunImpl.
   }
 }
 
 }  // namespace extensions