Use a distinct source parameter on gaia endpoints for the reconcilor.

chrome/browser/ui/auto_login_infobar_delegate.cc

 // Copyright 2014 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/ui/auto_login_infobar_delegate.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
@@ skipping 69 matching lines @@
     : content::WebContentsObserver(web_contents),
       args_(args) {
   Profile* profile =
       Profile::FromBrowserContext(web_contents->GetBrowserContext());
   ProfileOAuth2TokenService* token_service =
       ProfileOAuth2TokenServiceFactory::GetForProfile(profile);
   SigninManagerBase* signin_manager =
       SigninManagerFactory::GetInstance()->GetForProfile(profile);
   ubertoken_fetcher_.reset(new UbertokenFetcher(token_service,
                                                 this,
+                                                GaiaConstants::kChromeSource,
                                                 profile->GetRequestContext()));
   ubertoken_fetcher_->StartFetchingToken(
       signin_manager->GetAuthenticatedAccountId());
 }
 
 AutoLoginRedirector::~AutoLoginRedirector() {
 }
 
 void AutoLoginRedirector::WebContentsDestroyed() {
   // The WebContents that started this has been destroyed. The request must be
@@ skipping 130 matching lines @@
   RecordHistogramAction(REJECTED);
   button_pressed_ = true;
   return true;
 }
 
 void AutoLoginInfoBarDelegate::GoogleSignedOut(
     const std::string& account_id,
     const std::string& username) {
   infobar()->RemoveSelf();
 }