cros: Tweaked the good/bad pin checking on the js to use the new quick unlock api function.

third_party/closure_compiler/interfaces/quick_unlock_private_interface.js

 // Copyright 2016 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.
 
 // This file was generated by:
 //   ./tools/json_schema_compiler/compiler.py.
 
 /** @fileoverview Interface for quickUnlockPrivate that can be overriden. */
 
 assertNotReached('Interface file for Closure Compiler should not be executed.');
@@ skipping 14 matching lines @@
   /**
    * Returns the quick unlock modes that are currently enabled and usable on the
    * lock screen.
    * @param {function(!Array<!chrome.quickUnlockPrivate.QuickUnlockMode>):void}
    *     onComplete
    * @see https://developer.chrome.com/extensions/quickUnlockPrivate#method-getActiveModes
    */
   getActiveModes: assertNotReached,
 
   /**
+   * Checks if the given credential can be used for the given unlock mode.
+   * Enterprise policy can change credential requirements.
+   * @param {!chrome.quickUnlockPrivate.QuickUnlockMode} mode The quick unlock
+   *     mode that is used.
+   * @param {string} credential The given credential.
+   * @param {function(!chrome.quickUnlockPrivate.CredentialCheck):void}
+   *     onComplete Called with a list of warnings and errors the given
+   *     |credential| has (or an empty list if there are none).
+   * @see https://developer.chrome.com/extensions/quickUnlockPrivate#method-checkCredential
+   */
+  checkCredential: assertNotReached,
+
+  /**
+   * Gets the credential requirements for the given unlock mode.
+   * @param {!chrome.quickUnlockPrivate.QuickUnlockMode} mode The quick unlock
+   *     mode that is used.
+   * @param {function(!chrome.quickUnlockPrivate.CredentialRequirements):void}
+   *     onComplete Called with the credential requirements of the given
+   *     |mode|.
+   * @see https://developer.chrome.com/extensions/quickUnlockPrivate#method-getCredentialRequirements
+   */
+  getCredentialRequirements: assertNotReached,
+
+  /**
    * Update the set of quick unlock modes that are currently active/enabled.
    * @param {string} accountPassword The password associated with the account
    *     (e.g. the GAIA password). This is required to change the quick unlock
    *     credentials.
    * @param {!Array<!chrome.quickUnlockPrivate.QuickUnlockMode>} modes The quick
    *     unlock modes that should be active.
    * @param {!Array<string>} credentials The associated credential for each
    *     mode. To keep the credential the same for the associated mode, pass an
    *     empty string.
    * @param {function(boolean):void} onComplete Called with true if the quick
    *     unlock state was updated, false otherwise. The update is treated as a
    *     single atomic operation.
    * @see https://developer.chrome.com/extensions/quickUnlockPrivate#method-setModes
    */
   setModes: assertNotReached,
 };
 
 /**
  * Called after the active set of quick unlock modes has changed.
  * @type {!ChromeEvent}
  * @see https://developer.chrome.com/extensions/quickUnlockPrivate#event-onActiveModesChanged
  */
 QuickUnlockPrivate.prototype.onActiveModesChanged;