Make the SigninErrorController a PKS.

components/signin/core/browser/profile_oauth2_token_service.cc

 // Copyright 2014 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 "components/signin/core/browser/profile_oauth2_token_service.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/stl_util.h"
 #include "base/time/time.h"
 #include "components/signin/core/browser/signin_client.h"
 #include "components/signin/core/browser/signin_error_controller.h"
 #include "google_apis/gaia/gaia_auth_util.h"
 #include "net/url_request/url_request_context_getter.h"
 
 ProfileOAuth2TokenService::ProfileOAuth2TokenService()
-    : client_(NULL) {}
+    : client_(NULL),
+      signin_error_controller_(NULL) {}
 
-ProfileOAuth2TokenService::~ProfileOAuth2TokenService() {
-  DCHECK(!signin_error_controller_.get()) <<
-      "ProfileOAuth2TokenService::Initialize called but not "
-      "ProfileOAuth2TokenService::Shutdown";
-}
+ProfileOAuth2TokenService::~ProfileOAuth2TokenService() {}
 
-void ProfileOAuth2TokenService::Initialize(SigninClient* client) {
+void ProfileOAuth2TokenService::Initialize(
+    SigninClient* client,
+    SigninErrorController* signin_error_controller) {
   DCHECK(client);
   DCHECK(!client_);
+  DCHECK(signin_error_controller);
+  DCHECK(!signin_error_controller_);
   client_ = client;
-
-  signin_error_controller_.reset(new SigninErrorController());
+  signin_error_controller_ = signin_error_controller;
 }
 
 void ProfileOAuth2TokenService::Shutdown() {
   DCHECK(client_) << "Shutdown() called without matching call to Initialize()";
-  signin_error_controller_.reset();
 }
 
 net::URLRequestContextGetter* ProfileOAuth2TokenService::GetRequestContext() {
   return NULL;
 }
 
 void ProfileOAuth2TokenService::UpdateAuthError(
     const std::string& account_id,
     const GoogleServiceAuthError& error) {
   NOTREACHED();
@@ skipping 23 matching lines @@
 
 void ProfileOAuth2TokenService::UpdateCredentials(
     const std::string& account_id,
     const std::string& refresh_token) {
   NOTREACHED();
 }
 
 void ProfileOAuth2TokenService::RevokeAllCredentials() {
   // Empty implementation by default.
 }