MD Settings: Bluetooth: Use labels instead of icons to show connection status.

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

Index: chrome/browser/resources/settings/bluetooth_page/bluetooth_device_list_item.js
diff --git a/chrome/browser/resources/settings/bluetooth_page/bluetooth_device_list_item.js b/chrome/browser/resources/settings/bluetooth_page/bluetooth_device_list_item.js
index 8816fd12e8d9d027cd027f3e9c6523b901d75598..fb87d7a0209fc90eb49ab822adbfeb5dff6cedc0 100644
--- a/chrome/browser/resources/settings/bluetooth_page/bluetooth_device_list_item.js
+++ b/chrome/browser/resources/settings/bluetooth_page/bluetooth_device_list_item.js
@@ -71,6 +71,28 @@ Polymer({
 
   /**
    * @param {!chrome.bluetooth.Device} device
+   * @return {string} The text to display the connection status of |device|.
+   * @private
+   */
+  getConnectionStatusText_: function(device) {
+    if (!this.hasConnectionStatusText_(device))
+      return '';
+    return this.i18n(
+        device.connected ? 'bluetoothConnected' : 'bluetoothNotConnected');
+  },
+
+  /**
+   * @param {!chrome.bluetooth.Device} device
+   * @return {boolean} True if connection status should be shown as the
+   *     secondary text of the |device| in device list.
+   * @private
+   */
+  hasConnectionStatusText_: function(device) {
+    return !!device.paired && !device.connecting;

[fukino, 2017/01/19 21:11:25]

device.paired is {boolean|undefined}, so I needed to make it a boolean value.
Please let me know if there is better way. Thanks!

[stevenjb, 2017/01/19 22:11:02]

This is correct.

+  },
+
+  /**
+   * @param {!chrome.bluetooth.Device} device
    * @return {boolean}
    * @private
    */