chrome: Use base's ContainsValue helper function instead of std::find

chrome/browser/ui/webui/chromeos/login/gaia_screen_handler.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/ui/webui/chromeos/login/gaia_screen_handler.h"
 
 #include "ash/system/chromeos/devicetype_utils.h"
 #include "base/bind.h"
 #include "base/guid.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
+#include "base/stl_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/chromeos/input_method/input_method_util.h"
 #include "chrome/browser/chromeos/language_preferences.h"
 #include "chrome/browser/chromeos/login/screens/network_error.h"
 #include "chrome/browser/chromeos/login/ui/user_adding_screen.h"
 #include "chrome/browser/chromeos/login/users/chrome_user_manager.h"
 #include "chrome/browser/chromeos/net/network_portal_detector_impl.h"
@@ skipping 131 matching lines @@
     return;
 
   io_thread->ClearHostCache();
 }
 
 void PushFrontIMIfNotExists(const std::string& input_method,
                             std::vector<std::string>* input_methods) {
   if (input_method.empty())
     return;
 
-  if (std::find(input_methods->begin(), input_methods->end(), input_method) ==
-      input_methods->end())
+  if (!ContainsValue(*input_methods, input_method))
     input_methods->insert(input_methods->begin(), input_method);
 }
 
 bool IsOnline(NetworkPortalDetector::CaptivePortalStatus status) {
   return status == NetworkPortalDetector::CAPTIVE_PORTAL_STATUS_ONLINE;
 }
 
 }  // namespace
 
 // A class that's used to specify the way how Gaia should be loaded.
@@ skipping 651 matching lines @@
 bool GaiaScreenHandler::IsRestrictiveProxy() const {
   return !disable_restrictive_proxy_check_for_test_ &&
          !IsOnline(captive_portal_status_);
 }
 
 void GaiaScreenHandler::DisableRestrictiveProxyCheckForTest() {
   disable_restrictive_proxy_check_for_test_ = true;
 }
 
 }  // namespace chromeos