Don't bother asking the platform for the delegates if they are already set

ui/display/chromeos/ozone/display_configurator_ozone.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 "ui/display/chromeos/display_configurator.h"
 
 #include "ui/display/chromeos/touchscreen_delegate_impl.h"
 #include "ui/display/types/chromeos/native_display_delegate.h"
 #include "ui/display/types/chromeos/touchscreen_device_manager.h"
 #include "ui/ozone/ozone_platform.h"
 
 namespace ui {
 
-void DisplayConfigurator::PlatformInitialize() {
-  InitializeDelegates(
-      ui::OzonePlatform::GetInstance()->CreateNativeDisplayDelegate(),
-      scoped_ptr<TouchscreenDelegate>(new TouchscreenDelegateImpl(
-          ui::OzonePlatform::GetInstance()->CreateTouchscreenDeviceManager())));
+scoped_ptr<NativeDisplayDelegate>
+DisplayConfigurator::CreatePlatformNativeDisplayDelegate() {
+  return ui::OzonePlatform::GetInstance()->CreateNativeDisplayDelegate();
+}
+
+scoped_ptr<DisplayConfigurator::TouchscreenDelegate>
+DisplayConfigurator::CreatePlatformTouchscreenDelegate() {
+  return scoped_ptr<TouchscreenDelegate>(new TouchscreenDelegateImpl(
+      ui::OzonePlatform::GetInstance()->CreateTouchscreenDeviceManager()));
 }
 
 }  // namespace ui