Allow hw secured codecs on chromecast

chromecast/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/renderer/key_systems_cast.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 69 matching lines @@
 #if defined(PLAYREADY_CDM_AVAILABLE)
   key_systems_properties->emplace_back(new PlayReadyKeySystemProperties());
 #endif  // defined(PLAYREADY_CDM_AVAILABLE)
 
 #if defined(WIDEVINE_CDM_AVAILABLE)
   ::media::SupportedCodecs codecs =
       ::media::EME_CODEC_MP4_AAC | ::media::EME_CODEC_MP4_AVC1 |
       ::media::EME_CODEC_WEBM_VP8 | ::media::EME_CODEC_WEBM_VP9;
   key_systems_properties->emplace_back(new cdm::WidevineKeySystemProperties(
       codecs,  // Regular codecs.
-#if defined(OS_ANDROID)
       codecs,  // Hardware-secure codecs.

[ddorwin, 2016/05/24 23:11:50]

Do you mean to provide the same set of codecs on all devices? That was probably
an assumption about ATV devices.

[yucliu1, 2016/05/25 00:43:21]

Audio devices should use EME_CODEC_NONE. But the concept for secure codecs
should be valid for platform supporting hw secured codecs.

-#endif
       EmeRobustness::HW_SECURE_ALL,          // Max audio robustness.
       EmeRobustness::HW_SECURE_ALL,          // Max video robustness.
       EmeSessionTypeSupport::NOT_SUPPORTED,  // persistent-license.
       EmeSessionTypeSupport::NOT_SUPPORTED,  // persistent-release-message.
       // Note: On Chromecast, all CDMs may have persistent state.
       EmeFeatureSupport::ALWAYS_ENABLED,    // Persistent state.
       EmeFeatureSupport::ALWAYS_ENABLED));  // Distinctive identifier.
 #endif  // defined(WIDEVINE_CDM_AVAILABLE)
 }
 
 }  // namespace shell
 }  // namespace chromecast