Show GAIA/cookie accounts on the signin-internals page.

components/signin/core/browser/account_reconcilor.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/account_reconcilor.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/json/json_reader.h"
@@ skipping 257 matching lines @@
 
 bool AccountReconcilor::AreAllRefreshTokensChecked() const {
   return chrome_accounts_.size() ==
          (valid_chrome_accounts_.size() + invalid_chrome_accounts_.size());
 }
 
 void AccountReconcilor::RegisterForCookieChanges() {
   // First clear any existing registration to avoid DCHECKs that can otherwise
   // go off in some embedders on reauth (e.g., ChromeSigninClient).
   UnregisterForCookieChanges();
-  client_->SetCookieChangedCallback(
+  cookie_changed_subscription_ = client_->AddCookieChangedCallback(
       base::Bind(&AccountReconcilor::OnCookieChanged, base::Unretained(this)));
 }
 
 void AccountReconcilor::UnregisterForCookieChanges() {
-  client_->SetCookieChangedCallback(SigninClient::CookieChangedCallback());
+  cookie_changed_subscription_.reset();
 }
 
 void AccountReconcilor::RegisterWithSigninManager() {
   signin_manager_->AddObserver(this);
 }
 
 void AccountReconcilor::UnregisterWithSigninManager() {
   signin_manager_->RemoveObserver(this);
 }
 
@@ skipping 490 matching lines @@
 
 void AccountReconcilor::HandleRefreshTokenFetched(
     const std::string& account_id,
     const std::string& refresh_token) {
   if (!refresh_token.empty())
     PerformAddAccountToTokenService(account_id, refresh_token);
 
   MarkAccountAsAddedToChrome(account_id);
   CalculateIfReconcileIsDone();
 }