DevTools: add JsDocs to CombineExternalResourcesRule constructor

Source/devtools/front_end/audits/AuditRules.js

Index: Source/devtools/front_end/audits/AuditRules.js
diff --git a/Source/devtools/front_end/audits/AuditRules.js b/Source/devtools/front_end/audits/AuditRules.js
index 3a613fd0685db85364178db756437b442cec3f0a..fdc864cdfea6f7532d5930ad45526540a8e12214 100644
--- a/Source/devtools/front_end/audits/AuditRules.js
+++ b/Source/devtools/front_end/audits/AuditRules.js
@@ -143,6 +143,11 @@ WebInspector.AuditRules.GzipRule.prototype = {
 /**
  * @constructor
  * @extends {WebInspector.AuditRule}
+ * @param {string} id
+ * @param {string} name
+ * @param {!WebInspector.ResourceType} type
+ * @param {string} resourceTypeName
+ * @param {boolean} allowedPerDomain
  */
 WebInspector.AuditRules.CombineExternalResourcesRule = function(id, name, type, resourceTypeName, allowedPerDomain)
 {