[Ozone-Dri] Decouple the IO helper thread from DriWrapper

ui/ozone/platform/dri/dri.gypi

 # 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.
 
 {
   'variables': {
     'internal_ozone_platform_deps': [
       'ozone_platform_dri',
     ],
     'internal_ozone_platform_unittest_deps': [
@@ skipping 64 matching lines @@
         'dri_wrapper.cc',
         'dri_wrapper.h',
         'hardware_display_controller.cc',
         'hardware_display_controller.h',
         'hardware_display_plane.cc',
         'hardware_display_plane.h',
         'hardware_display_plane_manager.cc',
         'hardware_display_plane_manager.h',
         'hardware_display_plane_manager_legacy.cc',
         'hardware_display_plane_manager_legacy.h',
+        'io_helper_thread.cc',

[alexst (slow to review), 2015/01/22 15:27:48]

Let's call it drm_helper_thread, I think that would descibe its purpose better.

[dnicoara, 2015/01/22 22:50:14]

Done ... I named it dri_helper_thread in order to be more consistent with the
naming use within this folder. Let me know if you'd like it changed.

+        'io_helper_thread.h',
         'native_display_delegate_dri.cc',
         'native_display_delegate_dri.h',
         'native_display_delegate_proxy.cc',
         'native_display_delegate_proxy.h',
         'overlay_plane.cc',
         'overlay_plane.h',
         'ozone_platform_dri.cc',
         'ozone_platform_dri.h',
         'scoped_drm_types.cc',
         'scoped_drm_types.h',
@@ skipping 23 matching lines @@
           'hardware_display_controller_unittest.cc',
           'hardware_display_plane_manager_unittest.cc',
           'screen_manager_unittest.cc',
           'test/mock_dri_wrapper.cc',
           'test/mock_dri_wrapper.h',
         ],
       },
     },
   ],
 }