Implement the password edit UI.

chrome/browser/resources/settings/passwords_and_forms_page/password_edit_dialog.js

Index: chrome/browser/resources/settings/passwords_and_forms_page/password_edit_dialog.js
diff --git a/chrome/browser/resources/settings/passwords_and_forms_page/password_edit_dialog.js b/chrome/browser/resources/settings/passwords_and_forms_page/password_edit_dialog.js
new file mode 100644
index 0000000000000000000000000000000000000000..b992e2cc44775d6572adbec47033b42314f81dde
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+++ b/chrome/browser/resources/settings/passwords_and_forms_page/password_edit_dialog.js
@@ -0,0 +1,40 @@
+// 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.
+
+/**
+ * @fileoverview 'password-edit-dialog' is the dialog that allows showing a
+ *     saved password.
+ */
+
+(function() {
+'use strict';
+
+Polymer({
+  is: 'password-edit-dialog',
+
+  properties: {
+    /**
+     * The password that is being displayed.
+     * @type {!chrome.passwordsPrivate.PasswordUiEntry}
+     */
+    item: {
+      type: Object,
+      value: null,
+    },
+  },
+
+  /** Opens the dialog. */
+  open: function() {
+    this.$.dialog.open();
+  },
+
+  /**
+   * Creates an empty password of specified length.
+   * @param {number} length
+   * @return {string} password
+   * @private
+   */
+  getEmptyPassword_: function(length) { return ' '.repeat(length); },
+});
+})();