Add video-rendering to mojo media pipeline.

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 599 matching lines @@
         'muxers/webm_muxer.h',
         'renderers/audio_renderer_impl.cc',
         'renderers/audio_renderer_impl.h',
         'renderers/default_renderer_factory.cc',
         'renderers/default_renderer_factory.h',
         'renderers/gpu_video_accelerator_factories.h',
         'renderers/renderer_impl.cc',
         'renderers/renderer_impl.h',
         'renderers/skcanvas_video_renderer.cc',
         'renderers/skcanvas_video_renderer.h',
+        'renderers/video_overlay_factory.cc',
+        'renderers/video_overlay_factory.h',
         'renderers/video_renderer_impl.cc',
         'renderers/video_renderer_impl.h',
         'video/fake_video_encode_accelerator.cc',
         'video/fake_video_encode_accelerator.h',
         'video/gpu_memory_buffer_video_frame_pool.cc',
         'video/gpu_memory_buffer_video_frame_pool.h',
         'video/h264_poc.cc',
         'video/h264_poc.h',
         'video/jpeg_decode_accelerator.cc',
         'video/jpeg_decode_accelerator.h',
@@ skipping 1660 matching lines @@
                 'dependencies': [
                   '../build/linux/system.gyp:libdrm',
                 ]
               }],
             ],
           }
         ]
     }],
   ],
 }