[Chromecast] Upgrade to new CMA backend API

chromecast/media/BUILD.gn

 # Copyright 2015 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("//chromecast/chromecast.gni")
 import("//testing/test.gni")
 
 group("media") {
   deps = [
     "//chromecast/media/audio",
@@ skipping 35 matching lines @@
 
   deps = [
     ":media",
     "//chromecast/media/audio:test_support",
     "//base",
     "//base:i18n",
     "//base/test:test_support",
     "//chromecast/base",
     "//chromecast/base/metrics:test_support",
     "//chromecast/public",
+    "//chromecast/renderer/media",
     "//media",
     "//media/base:test_support",
     "//testing/gmock",
     "//testing/gtest",
     "//ui/gfx/geometry",
   ]
 }
 
 # TODO(slan): delete this target once Chromecast M44/earlier is obsolete.
 # See: b/21639416
 shared_library("libffmpegsumo") {
   output_name = "libffmpegsumo"
 }