Merge pull request grpc#20341 from AspirinSJL/server_name

Change param name

Author: AspirinSJL

src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.cc

@@ -66,7 +66,7 @@ bool XdsDropConfig::ShouldDrop(const UniquePtr<char>** category_name) const {
   return false;
 }
 
-grpc_slice XdsEdsRequestCreateAndEncode(const char* service_name) {
+grpc_slice XdsEdsRequestCreateAndEncode(const char* server_name) {
   upb::Arena arena;
   // Create a request.
   envoy_api_v2_DiscoveryRequest* request =
@@ -83,7 +83,7 @@ grpc_slice XdsEdsRequestCreateAndEncode(const char* service_name) {
       google_protobuf_Struct_FieldsEntry_mutable_value(field, arena.ptr());
   google_protobuf_Value_set_bool_value(value, true);
   envoy_api_v2_DiscoveryRequest_add_resource_names(
-      request, upb_strview_makez(service_name), arena.ptr());
+      request, upb_strview_makez(server_name), arena.ptr());
   envoy_api_v2_DiscoveryRequest_set_type_url(request,
                                              upb_strview_makez(kEdsTypeUrl));
   // Encode the request.

src/core/ext/filters/client_channel/lb_policy/xds/xds_load_balancer_api.h

@@ -99,7 +99,7 @@ struct XdsUpdate {
 };
 
 // Creates an EDS request querying \a service_name.
-grpc_slice XdsEdsRequestCreateAndEncode(const char* service_name);
+grpc_slice XdsEdsRequestCreateAndEncode(const char* server_name);
 
 // Parses the EDS response and returns the args to update locality map. If there
 // is any error, the output update is invalid.