Enforce naming conventions

Author: cyrus-and

lib/chrome.js

@@ -251,9 +251,9 @@ class Chrome extends EventEmitter {
 
     _handleConnectionClose() {
         // make sure to complete all the unresolved callbacks
-        const error = new Error('WebSocket connection closed');
+        const err = new Error('WebSocket connection closed');
         for (const callback of Object.values(this._callbacks)) {
-            callback(error);
+            callback(err);
         }
         this._callbacks = {};
     }