MD Settings: fix incorrect behavior with Enter on bluetooth item's icon-button.

chrome/browser/resources/settings/bluetooth_page/bluetooth_device_list_item.js

 // 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 Polymer element for displaying a bluetooth device in a list.
  */
 
 Polymer({
   is: 'bluetooth-device-list-item',
 
   behaviors: [I18nBehavior],
 
   properties: {
     /**
      * The bluetooth device.
      * @type {!chrome.bluetooth.Device}
      */
     device: {
       type: Object,
     },
   },
 
+  doNothing_: function() {

[dschuyler, 2017/07/13 00:47:13]

/** @private */

and maybe(?) rename to something like ignoreEnterKey_.

[scottchen, 2017/07/13 18:34:00]

Done.

+    if (event.key == 'Enter') {
+      event.stopPropagation();
+    }
+  },
+
   /**
    * @param {!Event} event
    * @private
    */
   onMenuButtonTap_: function(event) {
     var button = /** @type {!HTMLElement} */ (event.target);
     var menu = /** @type {!CrActionMenuElement} */ (this.$.dotsMenu);
     menu.showAt(button);
     event.stopPropagation();
   },
@@ skipping 95 matching lines @@
       case 'tablet':
         return 'settings:tablet';
       case 'mouse':
         return 'settings:mouse';
       default:
         return device.connected ? 'settings:bluetooth-connected' :
                                   'settings:bluetooth';
     }
   },
 });