Add the IDL and stub implementation for the chrome.passwordsPrivate API.

third_party/closure_compiler/externs/passwords_private.js

Index: third_party/closure_compiler/externs/passwords_private.js
diff --git a/third_party/closure_compiler/externs/passwords_private.js b/third_party/closure_compiler/externs/passwords_private.js
new file mode 100644
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+++ b/third_party/closure_compiler/externs/passwords_private.js
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+// Copyright 2015 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.
+
+/** @fileoverview Externs generated from namespace: passwordsPrivate */
+
+/**
+ * @const
+ */
+chrome.passwordsPrivate = {};
+
+/**
+ * @typedef {{
+ *   originUrl: string,
+ *   username: string
+ * }}
+ * @see https://developer.chrome.com/extensions/passwordsPrivate#type-LoginPair
+ */
+var LoginPair;
+
+/**
+ * @typedef {{
+ *   loginPair: LoginPair,
+ *   numCharactersInPassword: number,
+ *   federationText: (string|undefined)
+ * }}
+ * @see https://developer.chrome.com/extensions/passwordsPrivate#type-PasswordUiEntry
+ */
+var PasswordUiEntry;
+
+/**
+ * Determines whether account's passwords can be managed via
+ * https://passwords.google.com/settings/passwords.
+ * @param {function(boolean):void} callback Callback which will be passed the
+ *     boolean of whether the     account can be managed.
+ * @see https://developer.chrome.com/extensions/passwordsPrivate#method-canPasswordAccountBeManaged
+ */
+chrome.passwordsPrivate.canPasswordAccountBeManaged = function(callback) {};
+
+/**
+ * Removes the saved password corresponding to |loginPair|. If no saved password
+ * for this pair exists, this function is a no-op.
+ * @param {LoginPair} loginPair The LoginPair corresponding to the entry to
+ *     remove.
+ * @see https://developer.chrome.com/extensions/passwordsPrivate#method-removeSavedPassword
+ */
+chrome.passwordsPrivate.removeSavedPassword = function(loginPair) {};
+
+/**
+ * Removes the saved password exception corresponding to |exceptionUrl|. If no
+ * exception with this URL exists, this function is a no-op.
+ * @param {string} exceptionUrl The URL corresponding to the exception to
+ *     remove.
+ * @see https://developer.chrome.com/extensions/passwordsPrivate#method-removePasswordException
+ */
+chrome.passwordsPrivate.removePasswordException = function(exceptionUrl) {};
+
+/**
+ * Returns the plaintext password corresponding to |loginPair|. Note that on
+ * some operating systems, this call may result in an OS-level reauthentication.
+ * @param {LoginPair} loginPair The LoginPair corresponding to the entry whose
+ *     password     is to be returned.
+ * @param {function(string):void} callback Callback which will be passed the
+ *     plaintext password.
+ * @see https://developer.chrome.com/extensions/passwordsPrivate#method-getPlaintextPassword
+ */
+chrome.passwordsPrivate.getPlaintextPassword = function(loginPair, callback) {};
+
+/**
+ * Fired when the saved passwords list has changed, meaning that an entry has
+ * been added or removed. Note that this event fires as soon as a  listener is
+ * added.
+ * @type {!ChromeEvent}
+ * @see https://developer.chrome.com/extensions/passwordsPrivate#event-onSavedPasswordsListChanged
+ */
+chrome.passwordsPrivate.onSavedPasswordsListChanged;
+
+/**
+ * Fired when the password exceptions list has changed, meaning that an entry
+ * has been added or removed. Note that this event fires as soon as a  listener
+ * is added.
+ * @type {!ChromeEvent}
+ * @see https://developer.chrome.com/extensions/passwordsPrivate#event-onPasswordExceptionsListChanged
+ */
+chrome.passwordsPrivate.onPasswordExceptionsListChanged;
+
+