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

third_party/closure_compiler/externs/quick_unlock_private.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.
 // NOTE: The format of types has changed. 'FooType' is now
 //   'chrome.quickUnlockPrivate.FooType'.
 // Please run the closure compiler before committing changes.
 // See https://chromium.googlesource.com/chromium/src/+/master/docs/closure_compilation.md
 
 /** @fileoverview Externs generated from namespace: quickUnlockPrivate */
 
 /**
  * @const
  */
 chrome.quickUnlockPrivate = {};
 
 /**
  * @enum {string}
  * @see https://developer.chrome.com/extensions/quickUnlockPrivate#type-QuickUnlockMode
  */
 chrome.quickUnlockPrivate.QuickUnlockMode = {
   PIN: 'PIN',
 };
 
 /**
+ * @enum {string}
+ * @see https://developer.chrome.com/extensions/quickUnlockPrivate#type-CredentialProblem
+ */
+chrome.quickUnlockPrivate.CredentialProblem = {
+  TOO_SHORT: 'TOO_SHORT',
+  TOO_LONG: 'TOO_LONG',
+  TOO_WEAK: 'TOO_WEAK',
+  CONTAINS_NONDIGIT: 'CONTAINS_NONDIGIT',
+};
+
+/**
+ * @typedef {{
+ *   errors: !Array<!chrome.quickUnlockPrivate.CredentialProblem>,
+ *   warnings: !Array<!chrome.quickUnlockPrivate.CredentialProblem>
+ * }}
+ * @see https://developer.chrome.com/extensions/quickUnlockPrivate#type-CredentialCheck
+ */
+chrome.quickUnlockPrivate.CredentialCheck;
+
+/**
+ * @typedef {{
+ *   minLength: number,
+ *   maxLength: number
+ * }}
+ * @see https://developer.chrome.com/extensions/quickUnlockPrivate#type-CredentialRequirements
+ */
+chrome.quickUnlockPrivate.CredentialRequirements;
+
+/**
  * Returns the set of quick unlock modes that are available for the user to use.
  * Some quick unlock modes may be disabled by policy.
  * @param {function(!Array<!chrome.quickUnlockPrivate.QuickUnlockMode>):void}
  *     onComplete
  * @see https://developer.chrome.com/extensions/quickUnlockPrivate#method-getAvailableModes
  */
 chrome.quickUnlockPrivate.getAvailableModes = function(onComplete) {};
 
 /**
  * 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
  */
 chrome.quickUnlockPrivate.getActiveModes = function(onComplete) {};
 
 /**
+ * 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
+ */
+chrome.quickUnlockPrivate.checkCredential = function(mode, credential, onComplete) {};
+
+/**
+ * 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
+ */
+chrome.quickUnlockPrivate.getCredentialRequirements = function(mode, onComplete) {};
+
+/**
  * 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
  */
 chrome.quickUnlockPrivate.setModes = function(accountPassword, modes, credentials, onComplete) {};
 
 /**
  * Called after the active set of quick unlock modes has changed.
  * @type {!ChromeEvent}
  * @see https://developer.chrome.com/extensions/quickUnlockPrivate#event-onActiveModesChanged
  */
 chrome.quickUnlockPrivate.onActiveModesChanged;