Update chrome://device-emulator with newer Polymer guidelines

chrome/browser/resources/chromeos/emulator/battery_settings.html

-<link rel="import" href="chrome://resources/polymer/v1_0/polymer/polymer.html">
+<link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-collapse/iron-collapse.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/classes/iron-flex-layout.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/iron-flex-layout.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/iron-icons/device-icons.html">
+<link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/iron-flex-layout-classes.html">
+<link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/neon-animatable-behavior.html">
+<link rel="import" href="chrome://resources/polymer/v1_0/paper-checkbox/paper-checkbox.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-dropdown-menu/paper-dropdown-menu.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-input/paper-input.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-item/paper-item.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/paper-menu/paper-menu.html">
+<link rel="import" href="chrome://resources/polymer/v1_0/paper-listbox/paper-listbox.html">
+<link rel="import" href="chrome://resources/polymer/v1_0/paper-radio-button/paper-radio-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-radio-group/paper-radio-group.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/paper-radio-button/paper-radio-button.html">
+<link rel="import" href="icons.html">
+<link rel="import" href="shared_styles.html">
 
 <dom-module id="battery-settings">
-  <link rel="import" type="css" href="shared_styles.css">
   <template>
+    <!-- TODO(michaelpg): Wrap the line below to fit within the 80-char limit.
+         See https://github.com/Polymer/polymer/pull/3668. -->
+    <style include="device-emulator-shared-styles iron-flex iron-flex-alignment iron-positioning">
+    </style>
     <div class="layout vertical">
       <div class="element-label">
-        <paper-icon-button icon="device:battery-charging-full">
+        <paper-icon-button icon="device-emulator:battery-charging-full">
         </paper-icon-button>
-        <span>[[title]]</span>
+        Power
       </div>
       <label>
         <span class="form-label">Battery state</span>
         <paper-radio-group selected="{{batteryState}}">
           <template is="dom-repeat" items="[[batteryStateOptions]]">
             <paper-radio-button name="[[item]]">[[item]]</paper-radio-button>
           </template>
         </paper-radio-group>
       </label>
       <iron-collapse opened="[[isBatteryPresent(batteryState)]]">
@@ skipping 23 matching lines @@
           <template is="dom-repeat" items="{{powerSourceOptions}}">
             <tr>
               <td class="alias-cell">[[item.name]]</td>
               <td class="control-cell">
                 <paper-checkbox checked="{{item.connected}}"></paper-checkbox>
               </td>
               <td class="control-cell">
                 <paper-button on-tap="onSetAsSourceTap"
                     hidden$="[[!isDualRole(item)]]"
                     raised="[[!isSelectedSource(item, selectedPowerSourceId)]]"
-                    disabled="[[!canBecomeSource(item, selectedPowerSourceId, powerSourceOptions.*)]]">
+                    disabled="[[!canBecomeSource(
+                        item, selectedPowerSourceId, powerSourceOptions.*)]]">
                   Set as source
                 </paper-button>
                 <div hidden$="[[isDualRole(item)]]">Source</div>
               </td>
               <td class="control-cell">
                 <paper-dropdown-menu class="device-class-group"
                     disabled="[[!item.variablePower]]">
-                  <paper-menu selected="{{item.power}}"
+                  <paper-listbox selected="{{item.power}}"
                       class="dropdown-content" attr-for-selected="data-value">
                     <paper-item data-value="high">High</paper-item>
                     <paper-item data-value="low">Low</paper-item>
-                  </paper-menu>
+                  </paper-listbox>
                 </paper-dropdown-menu>
               </td>
           </template>
         </tbody>
       </table>
     </div>
   </template>
   <script src="battery_settings.js"></script>
 </dom-module>