MD Settings: Convert all browser proxies to use ES6 class syntax.

chrome/browser/resources/settings/people_page/fingerprint_browser_proxy.js

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 cr.exportPath('settings');
 
 /**
  * @enum {number}
  * These values must be kept in sync with the values in
  * third_party/cros_system_api/dbus/service_constants.h.
@@ skipping 34 matching lines @@
  * C++ FingerprintHandler.
  * @typedef {{
  *   fingerprintsList: !Array<string>,
  *   isMaxed: boolean,
  * }}
  */
 settings.FingerprintInfo;
 
 cr.define('settings', function() {
   /** @interface */
-  function FingerprintBrowserProxy() {}
-
-  FingerprintBrowserProxy.prototype = {
+  class FingerprintBrowserProxy {
     /**
      * @return {!Promise<!settings.FingerprintInfo>}
      */
-    getFingerprintsList: function() {},
+    getFingerprintsList() {}
 
     /**
      * @return {!Promise<number>}
      */
-    getNumFingerprints: function() {},
+    getNumFingerprints() {}
 
-    startEnroll: function() {},
-
-    cancelCurrentEnroll: function() {},
+    startEnroll() {}
+    cancelCurrentEnroll() {}
 
     /**
      * @param {number} index
      * @return {!Promise<string>}
      */
-    getEnrollmentLabel: function(index) {},
+    getEnrollmentLabel(index) {}
 
     /**
      * @param {number} index
      * @return {!Promise<boolean>}
      */
-    removeEnrollment: function(index) {},
+    removeEnrollment(index) {}
 
     /**
      * @param {number} index
      * @param {string} newLabel
      * @return {!Promise<boolean>}
      */
-    changeEnrollmentLabel: function(index, newLabel) {},
+    changeEnrollmentLabel(index, newLabel) {}
 
-    startAuthentication: function() {},
-
-    endCurrentAuthentication: function() {},
+    startAuthentication() {}
+    endCurrentAuthentication() {}
 
     /**
      * TODO(sammiequon): Temporary function to let the handler know when a
      * completed scan has been sent via click on the setup fingerprint dialog.
      * Remove this when real scans are implemented.
      */
-    fakeScanComplete: function() {},
-  };
+    fakeScanComplete() {}
+  }
 
   /**
-   * @constructor
    * @implements {settings.FingerprintBrowserProxy}
    */
-  function FingerprintBrowserProxyImpl() {}
-  cr.addSingletonGetter(FingerprintBrowserProxyImpl);
-
-  FingerprintBrowserProxyImpl.prototype = {
+  class FingerprintBrowserProxyImpl {
     /** @override */
-    getFingerprintsList: function() {
+    getFingerprintsList() {
       return cr.sendWithPromise('getFingerprintsList');
-    },
+    }
 
     /** @override */
-    getNumFingerprints: function() {
+    getNumFingerprints() {
       return cr.sendWithPromise('getNumFingerprints');
-    },
+    }
 
     /** @override */
-    startEnroll: function() {
+    startEnroll() {
       chrome.send('startEnroll');
-    },
+    }
 
     /** @override */
-    cancelCurrentEnroll: function() {
+    cancelCurrentEnroll() {
       chrome.send('cancelCurrentEnroll');
-    },
+    }
 
     /** @override */
-    getEnrollmentLabel: function(index) {
+    getEnrollmentLabel(index) {
       return cr.sendWithPromise('getEnrollmentLabel');
-    },
+    }
 
     /** @override */
-    removeEnrollment: function(index) {
+    removeEnrollment(index) {
       return cr.sendWithPromise('removeEnrollment', index);
-    },
+    }
 
     /** @override */
-    changeEnrollmentLabel: function(index, newLabel) {
+    changeEnrollmentLabel(index, newLabel) {
       return cr.sendWithPromise('changeEnrollmentLabel', index, newLabel);
-    },
+    }
 
     /** @override */
-    startAuthentication: function() {
+    startAuthentication() {
       chrome.send('startAuthentication');
-    },
+    }
 
     /** @override */
-    endCurrentAuthentication: function() {
+    endCurrentAuthentication() {
       chrome.send('endCurrentAuthentication');
-    },
+    }
 
     /** @override */
-    fakeScanComplete: function() {
+    fakeScanComplete() {
       chrome.send('fakeScanComplete');
-    },
-  };
+    }
+  }
+
+  cr.addSingletonGetter(FingerprintBrowserProxyImpl);
 
   return {
     FingerprintBrowserProxy: FingerprintBrowserProxy,
     FingerprintBrowserProxyImpl: FingerprintBrowserProxyImpl,
   };
 });