Revert of [ios] Pass more --jscomp_error switches to the closure Compiler.

components/autofill/ios/browser/resources/autofill_controller.js

Index: components/autofill/ios/browser/resources/autofill_controller.js
diff --git a/components/autofill/ios/browser/resources/autofill_controller.js b/components/autofill/ios/browser/resources/autofill_controller.js
index 743c033b8a71780ed549264cc1cce18e119afdae..510a9309cbd2137e5cb5afdb460135630327244d 100644
--- a/components/autofill/ios/browser/resources/autofill_controller.js
+++ b/components/autofill/ios/browser/resources/autofill_controller.js
@@ -2,19 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-/**
-  * @fileoverview Installs Autofill management functions on the __gCrWeb object.
-  *
-  * It scans the DOM, extracting and storing forms and returns a JSON string
-  * representing an array of objects, each of which represents an Autofill form
-  * with information about a form to be filled and/or submitted and it can be
-  * translated to struct FormData
-  * (chromium/src/components/autofill/core/common/form_data.h) for further
-  * processing.
-
-  * TODO(crbug.com/647084): Enable checkTypes error for this file.
-  * @suppress {checkTypes}
-  */
+// Installs Autofill management functions on the |__gCrWeb| object.
+//
+// It scans the DOM, extracting and storing forms and returns a JSON string
+// representing an array of objects, each of which represents an Autofill form
+// with information about a form to be filled and/or submitted and it can be
+// translated to struct FormData
+// (chromium/src/components/autofill/core/common/form_data.h) for further
+// processing.
 
 /** @typedef {HTMLInputElement|HTMLTextAreaElement|HTMLSelectElement} */
 var FormControlElement;
@@ -55,12 +50,7 @@
  * Namespace for this file. It depends on |__gCrWeb| having already been
  * injected.
  */
-__gCrWeb.autofill = {};
-
-// Store autofill namespace object in a global __gCrWeb object referenced by a
-// string, so it does not get renamed by closure compiler during the
-// minification.
-__gCrWeb['autofill'] = __gCrWeb.autofill;
+__gCrWeb['autofill'] = {};
 
 /**
  * The maximum length allowed for form data.