Remove old permission delegation prototype

content/renderer/frame_owner_properties.cc

Index: content/renderer/frame_owner_properties.cc
diff --git a/content/renderer/frame_owner_properties.cc b/content/renderer/frame_owner_properties.cc
index bd0b4ced6055075e8a0de1d600a378ba29dcc2d7..9941cec06eccc2bf2a2ce8a97703d5ce4b67a8d2 100644
--- a/content/renderer/frame_owner_properties.cc
+++ b/content/renderer/frame_owner_properties.cc
@@ -23,9 +23,6 @@ FrameOwnerProperties ConvertWebFrameOwnerPropertiesToFrameOwnerProperties(
   result.allow_fullscreen = web_frame_owner_properties.allowFullscreen;
   result.allow_payment_request = web_frame_owner_properties.allowPaymentRequest;
   result.required_csp = web_frame_owner_properties.requiredCsp.utf8();
-  std::copy(web_frame_owner_properties.delegatedPermissions.begin(),
-            web_frame_owner_properties.delegatedPermissions.end(),
-            std::back_inserter(result.delegated_permissions));
   std::copy(web_frame_owner_properties.allowedFeatures.begin(),
             web_frame_owner_properties.allowedFeatures.end(),
             std::back_inserter(result.allowed_features));
@@ -46,8 +43,6 @@ ConvertFrameOwnerPropertiesToWebFrameOwnerProperties(
   result.allowPaymentRequest = frame_owner_properties.allow_payment_request;
   result.requiredCsp =
       blink::WebString::fromUTF8(frame_owner_properties.required_csp);
-  result.delegatedPermissions = blink::WebVector<blink::mojom::PermissionName>(
-      frame_owner_properties.delegated_permissions);
   result.allowedFeatures = blink::WebVector<blink::WebFeaturePolicyFeature>(
       frame_owner_properties.allowed_features);