Logout all accounts from cookie jar when disconnecting from chrome.

components/signin/core/browser/account_reconcilor.cc

Index: components/signin/core/browser/account_reconcilor.cc
diff --git a/components/signin/core/browser/account_reconcilor.cc b/components/signin/core/browser/account_reconcilor.cc
index 271f3e0e5a6eb164adcf67cfa52d6e5bc09c0c90..9267fd20dbde6fe45208fb3c7ad9444accb1c832 100644
--- a/components/signin/core/browser/account_reconcilor.cc
+++ b/components/signin/core/browser/account_reconcilor.cc
@@ -347,8 +347,11 @@ void AccountReconcilor::GoogleSigninSucceeded(const std::string& username,
 
 void AccountReconcilor::GoogleSignedOut(const std::string& username) {
   VLOG(1) << "AccountReconcilor::GoogleSignedOut: signed out";
+  gaia_fetcher_.reset();
+  AbortReconcile();
   UnregisterWithTokenService();
   UnregisterForCookieChanges();
+  PerformLogoutAllAccountsAction();
 }
 
 void AccountReconcilor::PerformMergeAction(const std::string& account_id) {