Clear list of pending /ListAccount callsbacks when shutting down or when

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 219 matching lines @@
       StartReconcile();
     }
   }
 }
 
 void AccountReconcilor::Shutdown() {
   VLOG(1) << "AccountReconcilor::Shutdown";
   merge_session_helper_.CancelAll();
   merge_session_helper_.RemoveObserver(this);
   gaia_fetcher_.reset();
+  get_gaia_accounts_callbacks_.clear();
   DeleteFetchers();
   UnregisterWithSigninManager();
   UnregisterWithTokenService();
   UnregisterForCookieChanges();
 }
 
 void AccountReconcilor::AddMergeSessionObserver(
     MergeSessionHelper::Observer* observer) {
   merge_session_helper_.AddObserver(observer);
 }
@@ skipping 92 matching lines @@
 void AccountReconcilor::GoogleSigninSucceeded(const std::string& username,
                                               const std::string& password) {
   VLOG(1) << "AccountReconcilor::GoogleSigninSucceeded: signed in";
   RegisterForCookieChanges();
   RegisterWithTokenService();
 }
 
 void AccountReconcilor::GoogleSignedOut(const std::string& username) {
   VLOG(1) << "AccountReconcilor::GoogleSignedOut: signed out";
   gaia_fetcher_.reset();
+  get_gaia_accounts_callbacks_.clear();
   AbortReconcile();
   UnregisterWithTokenService();
   UnregisterForCookieChanges();
   PerformLogoutAllAccountsAction();
 }
 
 void AccountReconcilor::PerformMergeAction(const std::string& account_id) {
   VLOG(1) << "AccountReconcilor::PerformMergeAction: " << account_id;
   merge_session_helper_.LogIn(account_id);
 }
@@ skipping 363 matching lines @@
        i != add_to_chrome_.end();
        ++i) {
     if (gaia::AreEmailsSame(account_id, i->first)) {
       add_to_chrome_.erase(i);
       break;
     }
   }
 
   CalculateIfReconcileIsDone();
 }