Revert "chromeos: move screen lock handling to power manager client"

chrome/browser/automation/testing_automation_provider_chromeos.cc

Index: chrome/browser/automation/testing_automation_provider_chromeos.cc
diff --git a/chrome/browser/automation/testing_automation_provider_chromeos.cc b/chrome/browser/automation/testing_automation_provider_chromeos.cc
index 2ffc792d9fff958819ad212c7237923d57e172fd..b4d65dcee803537dd22a2c74d62a803a606b3306 100644
--- a/chrome/browser/automation/testing_automation_provider_chromeos.cc
+++ b/chrome/browser/automation/testing_automation_provider_chromeos.cc
@@ -15,8 +15,8 @@
 #include "chrome/browser/chromeos/audio_handler.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/cros/network_library.h"
+#include "chrome/browser/chromeos/cros/screen_lock_library.h"
 #include "chrome/browser/chromeos/dbus/dbus_thread_manager.h"
-#include "chrome/browser/chromeos/dbus/power_manager_client.h"
 #include "chrome/browser/chromeos/dbus/update_engine_client.h"
 #include "chrome/browser/chromeos/login/enrollment/enterprise_enrollment_screen.h"
 #include "chrome/browser/chromeos/login/existing_user_controller.h"
@@ -276,7 +276,7 @@ void TestingAutomationProvider::Login(DictionaryValue* args,
 void TestingAutomationProvider::LockScreen(DictionaryValue* args,
                                            IPC::Message* reply_message) {
   new ScreenLockUnlockObserver(this, reply_message, true);
-  DBusThreadManager::Get()->GetPowerManagerClient()->
+  CrosLibrary::Get()->GetScreenLockLibrary()->
       NotifyScreenLockRequested();
 }