Revert of ozone: Remove the "drm" software composited platform

ui/ozone/platform/drm/drm.gypi

Index: ui/ozone/platform/drm/drm.gypi
diff --git a/ui/ozone/platform/drm/drm.gypi b/ui/ozone/platform/drm/drm.gypi
new file mode 100644
index 0000000000000000000000000000000000000000..ab7fd07e45b9dfd3babd54851764da0675f86d9c
--- /dev/null
+++ b/ui/ozone/platform/drm/drm.gypi
@@ -0,0 +1,155 @@
+# 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_drm',
+    ],
+    'internal_ozone_platform_unittest_deps': [
+      'ozone_platform_drm_unittests',
+    ],
+    'internal_ozone_platforms': [
+      'drm',
+    ],
+    'use_drm_atomic%': 0,
+  },
+  'targets': [
+    {
+      'target_name': 'ozone_platform_drm',
+      'type': 'static_library',
+      'dependencies': [
+        '../../base/base.gyp:base',
+        '../../build/linux/system.gyp:libdrm',
+        '../../skia/skia.gyp:skia',
+        '../base/ui_base.gyp:ui_base',
+        '../display/display.gyp:display_types',
+        '../display/display.gyp:display_util',
+        '../events/devices/events_devices.gyp:events_devices',
+        '../events/events.gyp:events',
+        '../events/ozone/events_ozone.gyp:events_ozone_evdev',
+        '../events/ozone/events_ozone.gyp:events_ozone_layout',
+        '../events/platform/events_platform.gyp:events_platform',
+        '../gfx/gfx.gyp:gfx',
+        '../gfx/gfx.gyp:gfx_geometry',
+      ],
+      'defines': [
+        'OZONE_IMPLEMENTATION',
+      ],
+      'sources': [
+        'common/client_native_pixmap_factory_drm.cc',
+        'common/client_native_pixmap_factory_drm.h',
+        'common/drm_util.cc',
+        'common/drm_util.h',
+        'common/scoped_drm_types.cc',
+        'common/scoped_drm_types.h',
+        'gpu/crtc_controller.cc',
+        'gpu/crtc_controller.h',
+        'gpu/display_change_observer.h',
+        'gpu/drm_buffer.cc',
+        'gpu/drm_buffer.h',
+        'gpu/drm_console_buffer.cc',
+        'gpu/drm_console_buffer.h',
+        'gpu/drm_device.cc',
+        'gpu/drm_device.h',
+        'gpu/drm_device_generator.cc',
+        'gpu/drm_device_generator.h',
+        'gpu/drm_device_manager.cc',
+        'gpu/drm_device_manager.h',
+        'gpu/drm_display.cc',
+        'gpu/drm_display.h',
+        'gpu/drm_gpu_display_manager.cc',
+        'gpu/drm_gpu_display_manager.h',
+        'gpu/drm_gpu_platform_support.cc',
+        'gpu/drm_gpu_platform_support.h',
+        'gpu/drm_surface.cc',
+        'gpu/drm_surface.h',
+        'gpu/drm_surface_factory.cc',
+        'gpu/drm_surface_factory.h',
+        'gpu/drm_vsync_provider.cc',
+        'gpu/drm_vsync_provider.h',
+        'gpu/drm_window.cc',
+        'gpu/drm_window.h',
+        'gpu/hardware_display_controller.cc',
+        'gpu/hardware_display_controller.h',
+        'gpu/hardware_display_plane.cc',
+        'gpu/hardware_display_plane.h',
+        'gpu/hardware_display_plane_manager.cc',
+        'gpu/hardware_display_plane_manager.h',
+        'gpu/hardware_display_plane_manager_legacy.cc',
+        'gpu/hardware_display_plane_manager_legacy.h',
+        'gpu/overlay_plane.cc',
+        'gpu/overlay_plane.h',
+        'gpu/page_flip_request.cc',
+        'gpu/page_flip_request.h',
+        'gpu/screen_manager.cc',
+        'gpu/screen_manager.h',
+        'host/channel_observer.h',
+        'host/drm_cursor.cc',
+        'host/drm_cursor.h',
+        'host/drm_device_handle.cc',
+        'host/drm_device_handle.h',
+        'host/drm_display_host.cc',
+        'host/drm_display_host.h',
+        'host/drm_display_host_manager.cc',
+        'host/drm_display_host_manager.h',
+        'host/drm_gpu_platform_support_host.cc',
+        'host/drm_gpu_platform_support_host.h',
+        'host/drm_native_display_delegate.cc',
+        'host/drm_native_display_delegate.h',
+        'host/drm_overlay_candidates_host.cc',
+        'host/drm_overlay_candidates_host.h',
+        'host/drm_overlay_manager.cc',
+        'host/drm_overlay_manager.h',
+        'host/drm_window_host.cc',
+        'host/drm_window_host.h',
+        'host/drm_window_host_manager.cc',
+        'host/drm_window_host_manager.h',
+        'ozone_platform_drm.cc',
+        'ozone_platform_drm.h',
+        'scanout_buffer.h',
+      ],
+      'conditions': [
+        ['use_drm_atomic == 1', {
+          'sources': [
+            'gpu/hardware_display_plane_atomic.cc',
+            'gpu/hardware_display_plane_atomic.h',
+            'gpu/hardware_display_plane_manager_atomic.cc',
+            'gpu/hardware_display_plane_manager_atomic.h',
+          ],
+          'defines': [
+            'USE_DRM_ATOMIC=1',
+          ],
+        }],
+      ],
+    },
+    {
+      'target_name': 'ozone_platform_drm_unittests',
+      'type': 'none',
+      'dependencies': [
+        '../../build/linux/system.gyp:libdrm',
+        '../../skia/skia.gyp:skia',
+        '../gfx/gfx.gyp:gfx',
+        '../gfx/gfx.gyp:gfx_geometry',
+        'ozone.gyp:ozone',
+      ],
+      'export_dependent_settings': [
+        '../../build/linux/system.gyp:libdrm',
+        '../../skia/skia.gyp:skia',
+        '../gfx/gfx.gyp:gfx_geometry',
+      ],
+      'direct_dependent_settings': {
+        'sources': [
+          'gpu/drm_surface_unittest.cc',
+          'gpu/drm_window_unittest.cc',
+          'gpu/hardware_display_controller_unittest.cc',
+          'gpu/hardware_display_plane_manager_unittest.cc',
+          'gpu/screen_manager_unittest.cc',
+          'test/mock_drm_device.cc',
+          'test/mock_drm_device.h',
+        ],
+      },
+    },
+  ],
+}