Inline sign in extracts gaia id from HTTP header and seeds account tracker

chrome/browser/ui/webui/chromeos/login/signin_screen_handler.cc

 // Copyright (c) 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/ui/webui/chromeos/login/signin_screen_handler.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 1054 matching lines @@
     context.has_users = !delegate_->GetUsers().empty();
   gaia_screen_handler_->UpdateGaia(context);
   UpdateAddButtonStatus();
 }
 
 void SigninScreenHandler::UpdateAddButtonStatus() {
   CallJS("cr.ui.login.DisplayManager.updateAddUserButtonStatus",
          AllWhitelistedUsersPresent());
 }
 
-void SigninScreenHandler::HandleAuthenticateUser(const std::string& username,
-                                                 const std::string& password) {
+void SigninScreenHandler::HandleAuthenticateUser(
+    const std::string& gaia_id,
+    const std::string& username,
+    const std::string& password) {
   if (!delegate_)
     return;
   UserContext user_context(username);
   user_context.SetKey(Key(password));
   delegate_->Login(user_context, SigninSpecifics());
 }
 
 void SigninScreenHandler::HandleAttemptUnlock(const std::string& username) {
   DCHECK(ScreenLocker::default_screen_locker());
 
@@ skipping 467 matching lines @@
   return gaia_screen_handler_->frame_error();
 }
 
 void SigninScreenHandler::OnCapsLockChanged(bool enabled) {
   caps_lock_enabled_ = enabled;
   if (page_is_ready())
     CallJS("login.AccountPickerScreen.setCapsLockState", caps_lock_enabled_);
 }
 
 }  // namespace chromeos