Remove OnOptInChanged callback.

chrome/browser/ui/ash/launcher/launcher_extension_app_updater.cc

 // 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.
 
 #include "chrome/browser/ui/ash/launcher/launcher_extension_app_updater.h"
 
 #include "chrome/browser/chromeos/extensions/gfx_utils.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_list_prefs.h"
 #include "extensions/browser/extension_registry.h"
 
 LauncherExtensionAppUpdater::LauncherExtensionAppUpdater(
     Delegate* delegate,
     content::BrowserContext* browser_context)
     : LauncherAppUpdater(delegate, browser_context) {
   StartObservingExtensionRegistry();
 
-  arc::ArcAuthService* arc_auth_service = arc::ArcAuthService::Get();
-  // ArcAuthService may not be available for some unit tests.
-  if (arc_auth_service)
-    arc_auth_service->AddObserver(this);
-
   ArcAppListPrefs* prefs = ArcAppListPrefs::Get(browser_context);
   if (prefs)
     prefs->AddObserver(this);
 }
 
 LauncherExtensionAppUpdater::~LauncherExtensionAppUpdater() {
   StopObservingExtensionRegistry();
 
-  arc::ArcAuthService* arc_auth_service = arc::ArcAuthService::Get();
-  if (arc_auth_service)
-    arc_auth_service->RemoveObserver(this);
-
   ArcAppListPrefs* prefs = ArcAppListPrefs::Get(browser_context());
   if (prefs)
     prefs->RemoveObserver(this);
 }
 
 void LauncherExtensionAppUpdater::OnExtensionLoaded(
     content::BrowserContext* browser_context,
     const extensions::Extension* extension) {
   delegate()->OnAppInstalled(browser_context, extension->id());
 }
@@ skipping 14 matching lines @@
     extensions::UninstallReason reason) {
   delegate()->OnAppUninstalled(browser_context, extension->id());
 }
 
 void LauncherExtensionAppUpdater::OnShutdown(
     extensions::ExtensionRegistry* registry) {
   DCHECK_EQ(extension_registry_, registry);
   StopObservingExtensionRegistry();
 }
 
-void LauncherExtensionAppUpdater::OnOptInChanged(
-    arc::ArcAuthService::State state) {
-  if (!chromeos::ProfileHelper::IsPrimaryProfile(
-          Profile::FromBrowserContext(browser_context()))) {
-    return;
-  }
-  UpdateHostedApps();
-}
-
 void LauncherExtensionAppUpdater::OnPackageInstalled(
     const arc::mojom::ArcPackageInfo& package_info) {
   UpdateEquivalentHostedApp(package_info.package_name);
 }
 
 void LauncherExtensionAppUpdater::OnPackageRemoved(
     const std::string& package_name) {
   UpdateEquivalentHostedApp(package_name);
 }
 
@@ skipping 34 matching lines @@
 }
 
 void LauncherExtensionAppUpdater::UpdateEquivalentHostedApp(
     const std::string& arc_package_name) {
   const std::vector<std::string> extension_ids =
       extensions::util::GetEquivalentInstalledExtensions(browser_context(),
                                                          arc_package_name);
   for (const auto& iter : extension_ids)
     UpdateHostedApp(iter);
 }