Reland of "Convert Widevine and Android platform key systems to KeySystemProperties" with fix

chromecast/renderer/cast_content_renderer_client.h

Index: chromecast/renderer/cast_content_renderer_client.h
diff --git a/chromecast/renderer/cast_content_renderer_client.h b/chromecast/renderer/cast_content_renderer_client.h
index cb04ad6a882701d6f5fc27f092ffa6f9cb989adb..245958e6f481bda1401929dda8484568950248a1 100644
--- a/chromecast/renderer/cast_content_renderer_client.h
+++ b/chromecast/renderer/cast_content_renderer_client.h
@@ -35,7 +35,10 @@ class CastContentRendererClient : public content::ContentRendererClient {
   void RenderThreadStarted() override;
   void RenderViewCreated(content::RenderView* render_view) override;
   void AddKeySystems(
-      std::vector< ::media::KeySystemInfo>* key_systems) override;
+      std::vector<::media::KeySystemInfo>* key_systems_info) override;
+  void AddSupportedKeySystems(
+      std::vector<std::unique_ptr<::media::KeySystemProperties>>*
+          key_systems_properties) override;
 #if !defined(OS_ANDROID)
   std::unique_ptr<::media::RendererFactory> CreateMediaRendererFactory(
       content::RenderFrame* render_frame,