Add account_id to signin manager notifications.

chrome/browser/services/gcm/fake_signin_manager.cc

Index: chrome/browser/services/gcm/fake_signin_manager.cc
diff --git a/chrome/browser/services/gcm/fake_signin_manager.cc b/chrome/browser/services/gcm/fake_signin_manager.cc
index d4b0920b7ae64be79820ac1177d6ed62c10c24d0..dea05cecf2d864e843cc021a17b2f013a267f2b1 100644
--- a/chrome/browser/services/gcm/fake_signin_manager.cc
+++ b/chrome/browser/services/gcm/fake_signin_manager.cc
@@ -38,15 +38,18 @@ void FakeSigninManager::SignIn(const std::string& username) {
   SetAuthenticatedUsername(username);
   FOR_EACH_OBSERVER(Observer,
                     observer_list_,
-                    GoogleSigninSucceeded(username, std::string()));
+                    GoogleSigninSucceeded(username, username, std::string()));
 }
 
 void FakeSigninManager::SignOut(
     signin_metrics::ProfileSignout signout_source_metric) {
+  const std::string account_id = GetAuthenticatedAccountId();
   const std::string username = GetAuthenticatedUsername();
   clear_authenticated_username();
   profile_->GetPrefs()->ClearPref(prefs::kGoogleServicesUsername);
-  FOR_EACH_OBSERVER(Observer, observer_list_, GoogleSignedOut(username));
+  FOR_EACH_OBSERVER(Observer,
+                    observer_list_,
+                    GoogleSignedOut(account_id, username));
 }
 
 // static