Implement robustness strings in requestMediaKeySystemAccess().

components/cdm/renderer/widevine_key_systems.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 "components/cdm/renderer/widevine_key_systems.h"
 
 #include <string>
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 11 matching lines @@
 // Return |name|'s parent key system.
 static std::string GetDirectParentName(std::string name) {
   size_t last_period = name.find_last_of('.');
   DCHECK_GT(last_period, 0u);
   return name.substr(0u, last_period);
 }
 
 void AddWidevineWithCodecs(
     WidevineCdmType widevine_cdm_type,
     SupportedCodecs supported_codecs,
+    media::EmeRobustness max_audio_robustness,
+    media::EmeRobustness max_video_robustness,
     media::EmeSessionTypeSupport persistent_license_support,
     media::EmeSessionTypeSupport persistent_release_message_support,
     media::EmeFeatureSupport persistent_state_support,
     media::EmeFeatureSupport distinctive_identifier_support,
     std::vector<KeySystemInfo>* concrete_key_systems) {
   KeySystemInfo info;
   info.key_system = kWidevineKeySystem;
 
   switch (widevine_cdm_type) {
     case WIDEVINE:
@@ skipping 17 matching lines @@
   // Here we assume that support for a container imples support for the
   // associated initialization data type. KeySystems handles validating
   // |init_data_type| x |container| pairings.
   if (supported_codecs & media::EME_CODEC_WEBM_ALL)
     info.supported_init_data_types |= media::EME_INIT_DATA_TYPE_WEBM;
 #if defined(USE_PROPRIETARY_CODECS)
   if (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 = max_audio_robustness;
+  info.max_video_robustness = max_video_robustness;
   info.persistent_license_support = persistent_license_support;
   info.persistent_release_message_support = persistent_release_message_support;
   info.persistent_state_support = persistent_state_support;
   info.distinctive_identifier_support = distinctive_identifier_support;
 
 #if defined(ENABLE_PEPPER_CDMS)
   info.pepper_type = kWidevineCdmPluginMimeType;
 #endif  // defined(ENABLE_PEPPER_CDMS)
 
   concrete_key_systems->push_back(info);
 }
 
 }  // namespace cdm
 
 #endif  // defined(WIDEVINE_CDM_AVAILABLE)