Make push messaging not create InvalidationService for login and guest

chrome/browser/chromeos/profiles/profile_util.cc

 // Copyright 2013 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 "chrome/browser/chromeos/profiles/profile_util.h"
 
+#include "base/files/file_path.h"
+#include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chromeos/login/login_state.h"
 
 namespace chromeos {
 
 bool IsProfileAssociatedWithGaiaAccount(Profile* profile) {
   if (!chromeos::LoginState::IsInitialized())
     return false;
   if (!chromeos::LoginState::Get()->IsUserGaiaAuthenticated())
     return false;
   if (profile->IsOffTheRecord())
     return false;
+  // Using ProfileHelper::GetSigninProfile() here would lead to an infinite loop

[Nikita (slow), 2014/04/03 15:15:25]

nit: insert empty line before comment.

[bartfab (slow), 2014/04/03 15:23:34]

Done.

+  // when this method is called during the creation of the sign-in profile
+  // itself. Using ProfileHelper::GetSigninProfileDir() is safe because it does
+  // not try to access the sign-in profile.
+  if (profile->GetPath() == ProfileHelper::GetSigninProfileDir())
+    return false;
   return true;
 }
 
 }  // namespace chromeos