ozone: unify GpuMemoryBufferFactoryOzoneNativePixmap in content/

ui/ozone/gpu/ozone_gpu.gyp

-# 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': {
-    'chromium_code': 1,
-  },
-  'targets': [
-    {
-      'target_name': 'ozone_gpu',
-      'type': '<(component)',
-      'dependencies': [
-        '../../../base/base.gyp:base',
-        '../../gfx/gfx.gyp:gfx',
-        '../../gfx/gfx.gyp:gfx_geometry',
-        '../../gl/gl.gyp:gl',
-        '../ozone.gyp:ozone',
-      ],
-      'defines': [
-        'OZONE_GPU_IMPLEMENTATION',
-      ],
-      'sources': [
-        'gpu_memory_buffer_factory_ozone_native_pixmap.cc',
-        'gpu_memory_buffer_factory_ozone_native_pixmap.h',
-      ],
-    },
-  ],
-}