Implement support for "keyids" Initialization Data format

chrome/renderer/media/chrome_key_systems.cc

 // Copyright 2013 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 "chrome/renderer/media/chrome_key_systems.h"
 
 #include <string>
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 58 matching lines @@
   if (!IsPepperCdmAvailable(kExternalClearKeyPepperType,
                             &additional_param_names,
                             &additional_param_values)) {
     return;
   }
 
   KeySystemInfo info;
   info.key_system = kExternalClearKeyKeySystem;
 
   info.supported_codecs = media::EME_CODEC_WEBM_ALL;
-  info.supported_init_data_types = media::EME_INIT_DATA_TYPE_WEBM;
+  info.supported_init_data_types =
+      media::EME_INIT_DATA_TYPE_WEBM | media::EME_INIT_DATA_TYPE_KEYIDS;
 #if defined(USE_PROPRIETARY_CODECS)
   info.supported_codecs |= media::EME_CODEC_MP4_ALL;
   info.supported_init_data_types |= media::EME_INIT_DATA_TYPE_CENC;
 #endif  // defined(USE_PROPRIETARY_CODECS)
 
   // Persistent sessions are faked.
   info.persistent_license_support = media::EME_SESSION_TYPE_SUPPORTED;
   info.persistent_release_message_support =
       media::EME_SESSION_TYPE_NOT_SUPPORTED;
   // TODO(sandersd): Using ALWAYS_ENABLED prevents "not-allowed" from
@@ skipping 132 matching lines @@
 
 #if defined(WIDEVINE_CDM_AVAILABLE)
   AddPepperBasedWidevine(key_systems_info);
 #endif  // defined(WIDEVINE_CDM_AVAILABLE)
 #endif  // defined(ENABLE_PEPPER_CDMS)
 
 #if defined(OS_ANDROID)
   cdm::AddAndroidWidevine(key_systems_info);
 #endif  // defined(OS_ANDROID)
 }