Introduce media::RendererFactory interface.

media/mojo/services/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("//mojo/public/mojo_application.gni")
 
 # Target naming conventions:
 # - converters: C++/Mojo type converters.
 # - proxy: C++ implementations supported by mojo services.
 # - service: Mojo interface implementations.
@@ skipping 17 matching lines @@
     "//mojo/services/public/interfaces/geometry",
     "//skia",
   ]
 }
 
 # media::Renderer implementation using mojo::MediaRenderer.
 source_set("renderer_proxy") {
   sources = [
     "mojo_demuxer_stream_impl.cc",
     "mojo_demuxer_stream_impl.h",
+    "mojo_renderer_factory.cc",
+    "mojo_renderer_factory.h",
     "mojo_renderer_impl.cc",
     "mojo_renderer_impl.h",
   ]
 
   deps = [
     ":converters",
     "//base",
     "//media",
     "//media/mojo/interfaces",
     "//mojo/common",
@@ skipping 90 matching lines @@
   ]
 }
 
 group("tests") {
   testonly = true
   deps = [
     ":media_mojo_unittests",
     ":media_test",
   ]
 }