Extract re-usable InitializeMediaFoundation()

media/media.gyp

 # Copyright (c) 2012 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,
     # Override to dynamically link the cras (ChromeOS audio) library.
     'use_cras%': 0,
     # Option e.g. for Linux distributions to link pulseaudio directly
@@ skipping 386 matching lines @@
         'base/video_frame_metadata.h',
         'base/video_frame_pool.cc',
         'base/video_frame_pool.h',
         'base/video_renderer.cc',
         'base/video_renderer.h',
         'base/video_rotation.h',
         'base/video_util.cc',
         'base/video_util.h',
         'base/wall_clock_time_source.cc',
         'base/wall_clock_time_source.h',
+        'base/win/mf_initializer.cc',

[sandersd (OOO until July 31), 2015/05/22 19:14:55]

This should be only built on Windows.

Update BUILD.gn as well.

[wdzierzanowski, 2015/05/25 08:43:01]

I think it already is, courtesy of the win/ subdirectory and the standard
inclusion/exclusion patterns in GYP.
Done.

+        'base/win/mf_initializer.h',
         'base/yuv_convert.cc',
         'base/yuv_convert.h',
         'blink/skcanvas_video_renderer.cc',
         'blink/skcanvas_video_renderer.h',
         'cdm/aes_decryptor.cc',
         'cdm/aes_decryptor.h',
         'cdm/cenc_utils.cc',
         'cdm/cenc_utils.h',
         'cdm/default_cdm_factory.cc',
         'cdm/default_cdm_factory.h',
@@ skipping 1552 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }