Add support for cdm::ContentDecryptionModule_8, remove CDM_6

media/cdm/ppapi/external_clear_key/clear_key_cdm.cc

Index: media/cdm/ppapi/external_clear_key/clear_key_cdm.cc
diff --git a/media/cdm/ppapi/external_clear_key/clear_key_cdm.cc b/media/cdm/ppapi/external_clear_key/clear_key_cdm.cc
index e7f322b0614a4eb9746da6c221aa027451217189..026fd0c03ebb69e193dcb3c72026a6a9419cf67d 100644
--- a/media/cdm/ppapi/external_clear_key/clear_key_cdm.cc
+++ b/media/cdm/ppapi/external_clear_key/clear_key_cdm.cc
@@ -171,8 +171,6 @@ static media::MediaKeys::SessionType ConvertSessionType(
 }
 
 cdm::KeyStatus ConvertKeyStatus(media::CdmKeyInformation::KeyStatus status) {
-  // TODO(jrummell): Update OUTPUT_DOWNSCALED and KEY_STATUS_PENDING once CDM
-  // interface supports them. http://crbug.com/450861
   switch (status) {
     case media::CdmKeyInformation::KeyStatus::USABLE:
       return cdm::kUsable;
@@ -183,9 +181,9 @@ cdm::KeyStatus ConvertKeyStatus(media::CdmKeyInformation::KeyStatus status) {
     case media::CdmKeyInformation::KeyStatus::OUTPUT_NOT_ALLOWED:
       return cdm::kOutputNotAllowed;
     case media::CdmKeyInformation::KeyStatus::OUTPUT_DOWNSCALED:
-      return cdm::kInternalError;
+      return cdm::kOutputDownscaled;
     case media::CdmKeyInformation::KeyStatus::KEY_STATUS_PENDING:
-      return cdm::kInternalError;
+      return cdm::kStatusPending;
   }
   NOTIMPLEMENTED();
   return cdm::kInternalError;