ozone: fix broken overlay promotion bug at start-up time.

ui/ozone/platform/drm/ozone_platform_gbm.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/ozone/platform/drm/ozone_platform_gbm.h"
 
 #include <dlfcn.h>
 #include <fcntl.h>
 #include <gbm.h>
 #include <stdlib.h>
@@ skipping 173 matching lines @@
       mus_thread_proxy_.reset(new MusThreadProxy());
       adapter = mus_thread_proxy_.get();
       cursor_->SetDrmCursorProxy(
           new CursorProxyThread(mus_thread_proxy_.get()));
     } else {
       gpu_platform_support_host_.reset(
           new DrmGpuPlatformSupportHost(cursor_.get()));
       adapter = gpu_platform_support_host_.get();
     }
 
-    display_manager_.reset(
-        new DrmDisplayHostManager(adapter, device_manager_.get(),
-                                  event_factory_ozone_->input_controller()));
-    cursor_factory_ozone_.reset(new BitmapCursorFactoryOzone);
     overlay_manager_.reset(
         new DrmOverlayManager(adapter, window_manager_.get()));
+    display_manager_.reset(new DrmDisplayHostManager(
+        adapter, device_manager_.get(), overlay_manager_.get(),
+        event_factory_ozone_->input_controller()));
+    cursor_factory_ozone_.reset(new BitmapCursorFactoryOzone);
 
     if (using_mojo_ || single_process_) {
       mus_thread_proxy_->ProvideManagers(display_manager_.get(),
                                          overlay_manager_.get());
     }
   }
   void InitializeGPU(const InitParams& args) override {
     // TODO(rjkroege): services/ui should initialize this with a connector.
     // However, in-progress refactorings in services/ui make it difficult to
     // require this at present. Set using_mojo_ like below once this is
@@ skipping 59 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(OzonePlatformGbm);
 };
 
 }  // namespace
 
 OzonePlatform* CreateOzonePlatformGbm() {
   return new OzonePlatformGbm;
 }
 
 }  // namespace ui