Logout all accounts from cookie jar when disconnecting from chrome.

chrome/browser/signin/account_reconcilor_unittest.cc

Index: chrome/browser/signin/account_reconcilor_unittest.cc
diff --git a/chrome/browser/signin/account_reconcilor_unittest.cc b/chrome/browser/signin/account_reconcilor_unittest.cc
index 74783e47ab29db8a2e3de02bb5c266afd612a0d4..d5f2dc7a848416fc1721f723af89403dabb6a20b 100644
--- a/chrome/browser/signin/account_reconcilor_unittest.cc
+++ b/chrome/browser/signin/account_reconcilor_unittest.cc
@@ -178,6 +178,8 @@ TEST_F(AccountReconcilorTest, SigninManagerRegistration) {
   signin_manager()->OnExternalSigninCompleted(kTestEmail);
   ASSERT_TRUE(reconcilor->IsRegisteredWithTokenService());
 
+  EXPECT_CALL(*GetMockReconcilor(), PerformLogoutAllAccountsAction());
+
   signin_manager()->SignOut();
   ASSERT_FALSE(reconcilor->IsRegisteredWithTokenService());
 }