[DeviceService] Move screen_orientation.mojom from //content to //device.

content/common/BUILD.gn

 # 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.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//media/media_options.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//ppapi/features/features.gni")
 import("//sandbox/features.gni")
@@ skipping 557 matching lines @@
     "image_downloader/image_downloader.mojom",
     "indexed_db/indexed_db.mojom",
     "leveldb_wrapper.mojom",
     "media/media_devices.mojom",
     "memory_coordinator.mojom",
     "native_types.mojom",
     "render_frame_message_filter.mojom",
     "render_message_filter.mojom",
     "render_widget_window_tree_client_factory.mojom",
     "renderer.mojom",
-    "screen_orientation.mojom",
     "service_worker/embedded_worker.mojom",
     "service_worker/embedded_worker_setup.mojom",
     "service_worker/service_worker.mojom",
     "service_worker/service_worker_event_dispatcher.mojom",
     "service_worker/service_worker_types.mojom",
     "storage_partition_service.mojom",
     "url_loader.mojom",
     "url_loader_factory.mojom",
     "video_capture.mojom",
   ]
@@ skipping 21 matching lines @@
     "//ui/gfx/geometry/mojo",
     "//ui/gfx/mojo",
     "//url/mojo:url_mojom_gurl",
     "//url/mojo:url_mojom_origin",
   ]
 
   export_class_attribute = "CONTENT_EXPORT"
   export_define = "CONTENT_IMPLEMENTATION=1"
   export_header = "content/common/content_export.h"
 }