Revert of Convert Widevine and Android platform key systems to KeySystemProperties

chromecast/renderer/cast_content_renderer_client.cc

Index: chromecast/renderer/cast_content_renderer_client.cc
diff --git a/chromecast/renderer/cast_content_renderer_client.cc b/chromecast/renderer/cast_content_renderer_client.cc
index 3fb375a6d044ec5fef4e77a68ceaf611e50527dd..d02ffc33a333f1adf16ef1cfe9638718ad41c4e9 100644
--- a/chromecast/renderer/cast_content_renderer_client.cc
+++ b/chromecast/renderer/cast_content_renderer_client.cc
@@ -101,14 +101,8 @@
 }
 
 void CastContentRendererClient::AddKeySystems(
-    std::vector<::media::KeySystemInfo>* key_systems_info) {
-  AddChromecastKeySystemsInfo(key_systems_info);
-}
-
-void CastContentRendererClient::AddSupportedKeySystems(
-    std::vector<std::unique_ptr<::media::KeySystemProperties>>*
-        key_systems_properties) {
-  AddChromecastKeySystems(key_systems_properties);
+    std::vector< ::media::KeySystemInfo>* key_systems) {
+  AddChromecastKeySystems(key_systems);
 }
 
 #if !defined(OS_ANDROID)