MD Settings: make bluetooth add device dialog prettier

chrome/browser/resources/settings/bluetooth_page/bluetooth_device_dialog.html

 <link rel="import" href="chrome://resources/html/cr.html">
 <link rel="import" href="chrome://resources/html/polymer.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-selector/iron-selector.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.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-spinner/paper-spinner.html">
 <link rel="import" href="chrome://md-settings/bluetooth_page/bluetooth_device_list_item.html">
 <link rel="import" href="chrome://md-settings/icons.html">
 <link rel="import" href="chrome://md-settings/settings_dialog.html">
 <link rel="import" href="chrome://md-settings/settings_shared_css.html">
 
 <dom-module id="bluetooth-device-dialog">
   <template>
     <style include="settings-shared">
-      #dialogFooterDiv {
-        height: 40px;
-        margin: 0 20px;
-      }
-
       #dialogMessage {
         margin-bottom: 10px;
       }
 
       #dialogDeviceList {
-        -webkit-margin-start: 4px;
         height: 210px;
-        margin-bottom: 20px;
         overflow-y: auto;
       }
 
       #pairing {
         margin-bottom: 10px;
       }
 
       #pairing paper-input {
         text-align: center;
       }
@@ skipping 47 matching lines @@
         font-weight: 600;  /* semibold */
         margin: 0 20px;
       }
     </style>
     <settings-dialog id="dialog" class="layout vertical"
         on-iron-overlay-canceled="onIronOverlayCanceled_"
         on-iron-overlay-closed="onIronOverlayClosed_">
       <div class="title">[[getTitle_(dialogType)]]</div>
       <div class="body">
         <template is="dom-if" if="[[isDialogType_(dialogType, 'addDevice')]]">
-          <div class="settings-box flex">
-            <div id="dialogDeviceList" class="settings-box layout vertical"
-                on-device-event="onDeviceEvent_">
-              <span class="no-devices" hidden$="[[haveDevices_(deviceList)]]">
-                $i18n{bluetoothNoDevices}
-              </span>
-              <iron-selector class="flex">
-                <template is="dom-repeat" items="[[deviceList]]"
-                    filter="deviceNotPaired_" observe="paired">
-                  <bluetooth-device-list-item device="[[item]]">
-                  </bluetooth-device-list-item>
-                </template>
-              </iron-selector>
-            </div>
+          <div id="dialogDeviceList" class="layout vertical"
+              on-device-event="onDeviceEvent_">
+            <span class="no-devices" hidden$="[[haveDevices_(deviceList)]]">
+              $i18n{bluetoothNoDevices}
+            </span>
+            <iron-selector class="flex">
+              <template is="dom-repeat" items="[[deviceList]]"
+                  filter="deviceNotPaired_" observe="paired">
+                <bluetooth-device-list-item device="[[item]]">
+                </bluetooth-device-list-item>
+              </template>
+            </iron-selector>
           </div>
         </template>
         <template is="dom-if" if="[[isDialogType_(dialogType, 'pairDevice')]]">
           <div id="pairing" class="settings-blox layout vertical center
               center-justified flex">
             <div id="dialogMessage">
               [[getMessage_(pairingDevice, pairingEvent)]]
             </div>
             <div hidden$="[[!showEnterPincode_(pairingEvent)]]">
               <paper-input id="pincode" minlength="1" maxlength="16"
@@ skipping 41 matching lines @@
           <paper-button hidden$="[[showDismiss_(pairingDevice, pairingEvent)]]"
               on-tap="onCancelTap_">
             $i18n{cancel}
           </paper-button>
         </template>
       </div>
     </settings-dialog>
   </template>
   <script src="chrome://md-settings/bluetooth_page/bluetooth_device_dialog.js"></script>
 </dom-module>