Extract media code from RenderFrameImpl

content/renderer/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/config/chromecast_build.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//content/common/features.gni")
 import("//media/media_options.gni")
@@ skipping 215 matching lines @@
     "media/audio_renderer_sink_cache.h",
     "media/audio_renderer_sink_cache_impl.cc",
     "media/audio_renderer_sink_cache_impl.h",
     "media/cdm/pepper_cdm_wrapper.h",
     "media/cdm/pepper_cdm_wrapper_impl.cc",
     "media/cdm/pepper_cdm_wrapper_impl.h",
     "media/cdm/ppapi_decryptor.cc",
     "media/cdm/ppapi_decryptor.h",
     "media/cdm/render_cdm_factory.cc",
     "media/cdm/render_cdm_factory.h",
+    "media/media_factory.cc",
+    "media/media_factory.h",
     "media/media_permission_dispatcher.cc",
     "media/media_permission_dispatcher.h",
     "media/midi_message_filter.cc",
     "media/midi_message_filter.h",
     "media/render_media_client.cc",
     "media/render_media_client.h",
     "media/render_media_log.cc",
     "media/render_media_log.h",
     "media/renderer_gpu_video_accelerator_factories.cc",
     "media/renderer_gpu_video_accelerator_factories.h",
@@ skipping 732 matching lines @@
 # See comment at the top of //content/BUILD.gn for how this works.
 group("for_content_tests") {
   visibility = [ "//content/test/*" ]
 
   if (!is_component_build) {
     public_deps = [
       ":renderer",
     ]
   }
 }