Migrate call sites LoginDisplayHostImpl::default_host to LoginDisplayHost.

chrome/browser/ui/webui/chromeos/login/demo_mode_detector.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/ui/webui/chromeos/login/demo_mode_detector.h"
 
 #include "base/command_line.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/sys_info.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/login/ui/login_display_host.h"
-#include "chrome/browser/chromeos/login/ui/login_display_host_impl.h"
 #include "chrome/common/pref_names.h"
 #include "chromeos/chromeos_switches.h"
 
 namespace {
   const int kDerelectDetectionTimeoutSeconds = 8 * 60 * 60;  // 8 hours.
   const int kDerelectIdleTimeoutSeconds = 5 * 60;            // 5 minutes.
   const int kOobeTimerUpdateIntervalSeconds = 5 * 60;        // 5 minutes.
 }  // namespace
 
 namespace chromeos {
@@ skipping 62 matching lines @@
   oobe_timer_.Start(FROM_HERE,
                     oobe_timer_update_interval_,
                     this,
                     &DemoModeDetector::OnOobeTimerUpdate);
 }
 
 void DemoModeDetector::OnIdle() {
   if (demo_launched_)
     return;
   demo_launched_ = true;
-  LoginDisplayHost* host = LoginDisplayHostImpl::default_host();
-  host->StartDemoAppLaunch();
+  LoginDisplayHost::default_host()->StartDemoAppLaunch();
 }
 
 void DemoModeDetector::OnOobeTimerUpdate() {
   time_on_oobe_ += oobe_timer_update_interval_;
 
   PrefService* prefs = g_browser_process->local_state();
   prefs->SetInt64(prefs::kTimeOnOobe, time_on_oobe_.InSeconds());
 
   if (IsDerelict()) {
     oobe_timer_.Stop();
@@ skipping 45 matching lines @@
       std::max(std::min(oobe_timer_update_interval_,
                         derelict_detection_timeout_ - time_on_oobe_),
                base::TimeDelta::FromSeconds(0));
 }
 
 bool DemoModeDetector::IsDerelict() {
   return time_on_oobe_ >= derelict_detection_timeout_;
 }
 
 }  // namespace chromeos