Implement robustness strings in requestMediaKeySystemAccess().

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 57 matching lines @@
   std::vector<base::string16> additional_param_values;
   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 | media::EME_INIT_DATA_TYPE_KEYIDS;
+  info.supported_codecs = media::EME_CODEC_WEBM_ALL;
 #if defined(USE_PROPRIETARY_CODECS)
+  info.supported_init_data_types |= media::EME_INIT_DATA_TYPE_CENC;
   info.supported_codecs |= media::EME_CODEC_MP4_ALL;
-  info.supported_init_data_types |= media::EME_INIT_DATA_TYPE_CENC;
 #endif  // defined(USE_PROPRIETARY_CODECS)
 
+  info.max_audio_robustness = media::EmeRobustness::EMPTY;
+  info.max_video_robustness = media::EmeRobustness::EMPTY;
+
   // 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
-  // succeeding. Change this to REQUESTABLE once the state can be blocked.
-  // http://crbug.com/457482
-  info.persistent_state_support = media::EME_FEATURE_ALWAYS_ENABLED;
+  info.persistent_state_support = media::EME_FEATURE_REQUESTABLE;
   info.distinctive_identifier_support = media::EME_FEATURE_NOT_SUPPORTED;
 
   info.pepper_type = kExternalClearKeyPepperType;
 
   concrete_key_systems->push_back(info);
 
   // Add support of decrypt-only mode in ClearKeyCdm.
   info.key_system = kExternalClearKeyDecryptOnlyKeySystem;
   concrete_key_systems->push_back(info);
 
@@ skipping 82 matching lines @@
       supported_codecs |= media::EME_CODEC_WEBM_VP9;
 #if defined(USE_PROPRIETARY_CODECS)
     if (codecs[i] == kCdmSupportedCodecAvc1)
       supported_codecs |= media::EME_CODEC_MP4_AVC1;
 #endif  // defined(USE_PROPRIETARY_CODECS)
   }
 
   cdm::AddWidevineWithCodecs(
       cdm::WIDEVINE, supported_codecs,
 #if defined(OS_CHROMEOS)
-      // Persistent licenses are supported if remote attestation succeeds.
-      media::EME_SESSION_TYPE_SUPPORTED_WITH_PERMISSION,
-      media::EME_SESSION_TYPE_NOT_SUPPORTED,  // Persistent release message.
-      // TODO(sandersd): Using ALWAYS_ENABLED prevents "not-allowed" from
-      // succeeding. Change this to REQUESTABLE once the state can be blocked.
-      // http://crbug.com/457482
-      media::EME_FEATURE_ALWAYS_ENABLED,  // Persistent state.
-      // A distinctive identifier will be available if remote attestation
-      // succeeds.
-      media::EME_FEATURE_REQUESTABLE_WITH_PERMISSION,
+      media::EmeRobustness::HW_SECURE_ALL,     // Maximum audio robustness.
+      media::EmeRobustness::HW_SECURE_ALL,     // Maximim video robustness.
+      // persistent-license.
+      media::EME_SESSION_TYPE_SUPPORTED_WITH_IDENTIFIER,
+      media::EME_SESSION_TYPE_NOT_SUPPORTED,   // persistent-release-message.
+      media::EME_FEATURE_REQUESTABLE,          // Persistent state.
+      // Distinctive identifier.
+      media::EME_FEATURE_REQUESTABLE_WITH_IDENTIFIER,
 #else   // (Desktop)
-      media::EME_SESSION_TYPE_NOT_SUPPORTED,  // Persistent license.
-      media::EME_SESSION_TYPE_NOT_SUPPORTED,  // Persistent release message.
-      // TODO(sandersd): Using ALWAYS_ENABLED prevents "not-allowed" from
-      // succeeding. Change this to REQUESTABLE once the state can be blocked.
-      // http://crbug.com/457482
-      media::EME_FEATURE_ALWAYS_ENABLED,  // Persistent state.
-      media::EME_FEATURE_NOT_SUPPORTED,   // Distinctive identifier.
+      media::EmeRobustness::SW_SECURE_CRYPTO,  // Maximum audio robustness.
+      media::EmeRobustness::SW_SECURE_DECODE,  // Maximum video robustness.
+      media::EME_SESSION_TYPE_NOT_SUPPORTED,   // persistent-license.
+      media::EME_SESSION_TYPE_NOT_SUPPORTED,   // persistent-release-message.
+      media::EME_FEATURE_REQUESTABLE,          // Persistent state.
+      media::EME_FEATURE_NOT_SUPPORTED,        // Distinctive identifier.
 #endif  // defined(OS_CHROMEOS)
       concrete_key_systems);
 }
 #endif  // defined(WIDEVINE_CDM_AVAILABLE)
 #endif  // defined(ENABLE_PEPPER_CDMS)
 
 void AddChromeKeySystems(std::vector<KeySystemInfo>* key_systems_info) {
 #if defined(ENABLE_PEPPER_CDMS)
   AddExternalClearKey(key_systems_info);
 
 #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)
 }