Simplify commands constructor (#2371)

Change-Id: Ib991998e5c956a2c3f18f11571fa5668798894ea

Author: soulgalore

lib/core/engine/commands.js

@@ -36,7 +36,7 @@ import { SimplePerfProfiler } from './command/simpleperf.js';
  * @hideconstructor
  */
 export class Commands {
-  constructor(
+  constructor({
     browser,
     engineDelegate,
     index,
@@ -50,7 +50,7 @@ export class Commands {
     asyncScriptsByCategory,
     postURLScripts,
     options
-  ) {
+  }) {
     const measure = new Measure({
       browser,
       index,

lib/core/engine/iteration.js

@@ -97,21 +97,21 @@ export class Iteration {
         browser.getDriver()
       );
 
-      const commands = new Commands(
+      const commands = new Commands({
         browser,
         engineDelegate,
         index,
         result,
-        this.storageManager,
-        this.pageCompleteCheck,
+        storageManager: this.storageManager,
+        pageCompleteCheck: this.pageCompleteCheck,
         context,
         videos,
         screenshotManager,
-        this.scriptsByCategory,
-        this.asyncScriptsByCategory,
-        this.postURLScripts,
+        scriptsByCategory: this.scriptsByCategory,
+        asyncScriptsByCategory: this.asyncScriptsByCategory,
+        postURLScripts: this.postURLScripts,
         options
-      );
+      });
 
       await this._loadStartURL(browser, options);