Reorganizes Chromecast code to better reflect functional dependencies.

chromecast/shell/renderer/key_systems_cast.cc

-// 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.
-
-#include "chromecast/shell/renderer/key_systems_cast.h"
-
-#include <string>
-
-#include "base/command_line.h"
-#include "base/logging.h"
-#include "chromecast/media/base/key_systems_common.h"
-#include "components/cdm/renderer/widevine_key_systems.h"
-#include "content/public/common/eme_constants.h"
-
-#include "widevine_cdm_version.h" // In SHARED_INTERMEDIATE_DIR.
-
-namespace chromecast {
-namespace shell {
-
-void AddKeySystemWithCodecs(
-    const std::string& key_system_name,
-    std::vector<content::KeySystemInfo>* concrete_key_systems) {
-  content::KeySystemInfo info(key_system_name);
-  info.supported_codecs = content::EME_CODEC_MP4_ALL;
-  concrete_key_systems->push_back(info);
-}
-
-void AddChromecastKeySystems(
-    std::vector<content::KeySystemInfo>* key_systems_info) {
-#if defined(WIDEVINE_CDM_AVAILABLE)
-  AddWidevineWithCodecs(cdm::WIDEVINE,
-                        content::EME_CODEC_MP4_ALL,
-                        key_systems_info);
-#endif
-
-#if defined(PLAYREADY_CDM_AVAILABLE)
-  AddKeySystemWithCodecs(media::kChromecastPlayreadyKeySystem,
-                         key_systems_info);
-#endif
-}
-
-}  // namespace shell
-}  // namespace chromecast