Add video-rendering to mojo media pipeline.

media/BUILD.gn

 # 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.
 
 import("//build/buildflag_header.gni")
 import("//build/config/android/config.gni")
 import("//build/config/arm.gni")
 import("//build/config/features.gni")
 import("//build/config/linux/pkg_config.gni")
 import("//build/config/ui.gni")
@@ skipping 183 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 620 matching lines @@
 fuzzer_test("media_vp9_parser_fuzzer") {
   sources = [
     "filters/vp9_parser_fuzzertest.cc",
   ]
   deps = [
     ":media",
     "//base",
   ]
   libfuzzer_options = [ "max_len = 400000" ]
 }