Revert of ChromeOS login webui refactoring: split user selection/gaia login screens.

chrome/browser/chromeos/login/screens/gaia_screen.cc

Index: chrome/browser/chromeos/login/screens/gaia_screen.cc
diff --git a/chrome/browser/chromeos/login/screens/gaia_screen.cc b/chrome/browser/chromeos/login/screens/gaia_screen.cc
deleted file mode 100644
index 085bce3282341257587d7329966da0ea3a1408ec..0000000000000000000000000000000000000000
--- a/chrome/browser/chromeos/login/screens/gaia_screen.cc
+++ /dev/null
@@ -1,22 +0,0 @@
-// Copyright (c) 2012 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/login/screens/gaia_screen.h"
-
-#include "base/logging.h"
-#include "chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h"
-
-namespace chromeos {
-
-GaiaScreen::GaiaScreen() : handler_(NULL) {
-}
-
-GaiaScreen::~GaiaScreen() {
-}
-
-void GaiaScreen::SetHandler(LoginDisplayWebUIHandler* handler) {
-  handler_ = handler;
-}
-
-}  // namespace chromeos