Pass Device ID in the oauth2/token request. Keep Device ID in local state on Chrome OS.

chrome/browser/chromeos/login/session/user_session_manager.cc

Index: chrome/browser/chromeos/login/session/user_session_manager.cc
diff --git a/chrome/browser/chromeos/login/session/user_session_manager.cc b/chrome/browser/chromeos/login/session/user_session_manager.cc
index edecf3a3207452a1d459eb3acaaa385835ab11b2..a554507e5d0c26a9c2441c0a2659ed23bcb2b605 100644
--- a/chrome/browser/chromeos/login/session/user_session_manager.cc
+++ b/chrome/browser/chromeos/login/session/user_session_manager.cc
@@ -423,6 +423,12 @@ void UserSessionManager::StartSession(
   // TODO(nkostylev): Notify UserLoggedIn() after profile is actually
   // ready to be used (http://crbug.com/361528).
   NotifyUserLoggedIn();
+
+  if (!user_context.GetDeviceId().empty()) {
+    user_manager::UserManager::Get()->SetKnownUserDeviceId(
+        user_context.GetUserID(), user_context.GetDeviceId());
+  }
+
   PrepareProfile();
 }
 
@@ -896,20 +902,6 @@ void UserSessionManager::InitProfilePreferences(
     ChromeUserManager::Get()->SetIsCurrentUserNew(true);
   }
 
-  std::string device_id = profile->GetPrefs()->GetString(
-      prefs::kGoogleServicesSigninScopedDeviceId);
-  if (device_id.empty()) {
-    device_id = user_context.GetDeviceId();
-    if (!device_id.empty()) {
-      profile->GetPrefs()->SetString(prefs::kGoogleServicesSigninScopedDeviceId,
-                                     device_id);
-    }
-  }
-  if (!device_id.empty()) {
-    user_manager::UserManager::Get()->SetKnownUserDeviceId(user->GetUserID(),
-                                                           device_id);
-  }
-
   if (user->is_active()) {
     input_method::InputMethodManager* manager =
         input_method::InputMethodManager::Get();