translation_service_client.rb in google-cloud-translate-2.2.0

- old
+ new

@@ -198,9 +198,12 @@
             google_api_client << " gapic/#{package_version} gax/#{Google::Gax::VERSION}"
             google_api_client << " grpc/#{GRPC::VERSION}"
             google_api_client.freeze
 
             headers = { :"x-goog-api-client" => google_api_client }
+            if credentials.respond_to?(:quota_project_id) && credentials.quota_project_id
+              headers[:"x-goog-user-project"] = credentials.quota_project_id
+            end
             headers.merge!(metadata) unless metadata.nil?
             client_config_file = Pathname.new(__dir__).join(
               "translation_service_client_config.json"
             )
             defaults = client_config_file.open do |f|