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

components/signin/core/browser/account_reconcilor.h

Index: components/signin/core/browser/account_reconcilor.h
diff --git a/components/signin/core/browser/account_reconcilor.h b/components/signin/core/browser/account_reconcilor.h
index da62b2c43fae77c4bc325356a724ce98ea69ec03..12c879deddb8d47a5a070f3ef034202f11436102 100644
--- a/components/signin/core/browser/account_reconcilor.h
+++ b/components/signin/core/browser/account_reconcilor.h
@@ -17,6 +17,7 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "components/keyed_service/core/keyed_service.h"
+#include "components/signin/core/browser/signin_client.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "google_apis/gaia/gaia_auth_consumer.h"
 #include "google_apis/gaia/google_service_auth_error.h"
@@ -259,6 +260,9 @@ class AccountReconcilor : public KeyedService,
 
   std::deque<GetAccountsFromCookieCallback> get_gaia_accounts_callbacks_;
 
+  scoped_ptr<SigninClient::CookieChangedCallbackList::Subscription>
+      cookie_changed_subscription_;
+
   DISALLOW_COPY_AND_ASSIGN(AccountReconcilor);
 };