Merge pull request #21913 from grpc/vjpai-patch-3

Remove unused parameter names

src/core/ext/filters/client_channel/lb_policy/round_robin/round_robin.cc

@@ -486,7 +486,7 @@ class RoundRobinFactory : public LoadBalancingPolicyFactory {
   const char* name() const override { return kRoundRobin; }
 
   RefCountedPtr<LoadBalancingPolicy::Config> ParseLoadBalancingConfig(
-      const Json& json, grpc_error** /*error*/) const override {
+      const Json& /*json*/, grpc_error** /*error*/) const override {
     return MakeRefCounted<RoundRobinConfig>();
   }
 };

src/core/ext/filters/client_channel/xds/xds_channel.cc

@@ -30,7 +30,7 @@ grpc_channel_args* ModifyXdsChannelArgs(grpc_channel_args* args) {
 
 grpc_channel* CreateXdsChannel(const XdsBootstrap& bootstrap,
                                const grpc_channel_args& args,
-                               grpc_error** error) {
+                               grpc_error** /*error*/) {
   if (!bootstrap.server().channel_creds.empty()) return nullptr;
   return grpc_insecure_channel_create(bootstrap.server().server_uri.c_str(),
                                       &args, nullptr);