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

chrome/browser/chromeos/login/screens/controller_pairing_screen.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/chromeos/login/screens/controller_pairing_screen.h"
 
 #include "base/command_line.h"
+#include "base/stl_util.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/login/wizard_controller.h"
 #include "google_apis/gaia/gaia_auth_util.h"
 
 using namespace chromeos::controller_pairing;
 using namespace pairing_chromeos;
 
 namespace chromeos {
 
 ControllerPairingScreen::ControllerPairingScreen(
@@ skipping 127 matching lines @@
   if (!ExpectStageIs(ControllerPairingController::STAGE_DEVICES_DISCOVERY))
     return;
   ControllerPairingController::DeviceIdList devices =
       shark_controller_->GetDiscoveredDevices();
   std::sort(devices.begin(), devices.end());
   context_.SetStringList(kContextKeyDevices, devices);
   context_.SetString(
       kContextKeyPage,
       devices.empty() ? kPageDevicesDiscovery : kPageDeviceSelect);
   std::string selected_device = context_.GetString(kContextKeySelectedDevice);
-  if (std::find(devices.begin(), devices.end(), selected_device) ==
-      devices.end()) {
+  if (!ContainsValue(devices, selected_device)) {

[sky, 2016/03/02 17:19:34]

nit: no {}

[chakshu, 2016/03/07 08:10:46]

Done.

     selected_device.clear();
   }
   if (devices.empty()) {
     device_preselected_ = false;
   } else if (!device_preselected_) {
     selected_device = devices.front();
     device_preselected_ = true;
   }
   context_.SetString(kContextKeySelectedDevice, selected_device);
   context_.SetBoolean(kContextKeyControlsDisabled, selected_device.empty());
@@ skipping 49 matching lines @@
        ++key) {
     if (*key == kContextKeySelectedDevice) {
       context_.SetBoolean(kContextKeyControlsDisabled,
                           context_.GetString(*key).empty());
       CommitContextChanges();
     }
   }
 }
 
 }  // namespace chromeos