media: Support creation and SetCdm() for mojo based CDM.

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 28 matching lines @@
     "//mojo/public/interfaces/application",
     "//mojo/common",
     "//mojo/environment:chromium",
     "//mojo/public/c/system:for_component",
     "//mojo/public/cpp/application",
   ]
 
   sources = [
     "mojo_cdm.cc",
     "mojo_cdm.h",
+    "mojo_cdm_factory.cc",
+    "mojo_cdm_factory.h",
     "mojo_type_trait.h",
   ]
 }
 
 source_set("cdm_service") {
   deps = [
     ":converters",
     "//base",
     "//media",
     "//media/mojo/interfaces",
     "//mojo/public/interfaces/application",
     "//mojo/common",
     "//mojo/environment:chromium",
     "//mojo/public/c/system:for_component",
   ]
 
   sources = [
     "mojo_cdm_promise.cc",
     "mojo_cdm_promise.h",
     "mojo_cdm_service.cc",
     "mojo_cdm_service.h",
+    "mojo_cdm_service_context.cc",
+    "mojo_cdm_service_context.h",
+    "mojo_cdm_factory_service.cc",
+    "mojo_cdm_factory_service.h",
     "mojo_type_trait.h",
   ]
 }
 
 # 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",
@@ skipping 70 matching lines @@
   ]
 }
 
 if (!is_component_build) {
   mojo_native_application("media") {
     sources = [
       "mojo_media_application.cc",
     ]
 
     deps = [
+      ":cdm_service",
       ":renderer_service",
       "//mojo/application",
       "//mojo/public/c/system:for_shared_library",
     ]
   }
 
   # Not a 'test' because this is loaded via mojo_shell as an app.
   # To run the test:
   #   out/Debug/mojo_shell mojo:media_test
   # You can get "mojo_shell" using mojo/public/tools/download_shell_binary.py
@@ skipping 33 matching lines @@
 group("tests") {
   testonly = true
   deps = [
     ":media_mojo_unittests",
   ]
 
   if (!is_component_build) {
     deps += [ ":media_test" ]
   }
 }