media: Rename MediaKeys to ContentDecryptionModule

chromecast/media/cdm/cast_cdm_proxy.cc

Index: chromecast/media/cdm/cast_cdm_proxy.cc
diff --git a/chromecast/media/cdm/cast_cdm_proxy.cc b/chromecast/media/cdm/cast_cdm_proxy.cc
index 81b3e0ac5e5071ab3be998858472ee5bbdac7046..28bd499f078e47e669b8052a04229d090dfb3399 100644
--- a/chromecast/media/cdm/cast_cdm_proxy.cc
+++ b/chromecast/media/cdm/cast_cdm_proxy.cc
@@ -108,7 +108,7 @@ void CastCdmProxy::SetServerCertificate(
 }
 
 void CastCdmProxy::CreateSessionAndGenerateRequest(
-    ::media::MediaKeys::SessionType session_type,
+    ::media::ContentDecryptionModule::SessionType session_type,
     ::media::EmeInitDataType init_data_type,
     const std::vector<uint8_t>& init_data,
     std::unique_ptr<::media::NewSessionCdmPromise> promise) {
@@ -119,7 +119,7 @@ void CastCdmProxy::CreateSessionAndGenerateRequest(
 }
 
 void CastCdmProxy::LoadSession(
-    ::media::MediaKeys::SessionType session_type,
+    ::media::ContentDecryptionModule::SessionType session_type,
     const std::string& session_id,
     std::unique_ptr<::media::NewSessionCdmPromise> promise) {
   DCHECK(thread_checker_.CalledOnValidThread());