[MD settings] update i18n replacements in bluetooth settings

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

Index: chrome/browser/resources/settings/bluetooth_page/bluetooth_add_device_dialog.html
diff --git a/chrome/browser/resources/settings/bluetooth_page/bluetooth_add_device_dialog.html b/chrome/browser/resources/settings/bluetooth_page/bluetooth_add_device_dialog.html
index ae8a66e8c392a22b93e3feedbc77f47bdedcd728..515fc6867fdcbcc917194bbf2b9bb930c71d5d8a 100644
--- a/chrome/browser/resources/settings/bluetooth_page/bluetooth_add_device_dialog.html
+++ b/chrome/browser/resources/settings/bluetooth_page/bluetooth_add_device_dialog.html
@@ -13,8 +13,8 @@
     <style include="bluetooth-dialog-shared"></style>
     <div id="dialogOuterDiv" class="layout vertical flex">
       <div id="dialogHeaderDiv" class="settings-box layout horizontal">
-        <span id="dialogTitle" class="flex"
-            i18n-content="bluetoothAddDevicePageTitle">
+        <span id="dialogTitle" class="flex">
+          $i18n{bluetoothAddDevicePageTitle}
         </span>
         <paper-icon-button icon="settings:close" on-tap="onCancelTap_"
             id="close">
@@ -23,8 +23,8 @@
       <div class="settings-box flex">
         <div id="dialogDeviceList" class="settings-box layout vertical"
             on-device-event="onDeviceEvent_">
-          <span class="no-devices" hidden$="[[haveDevices_(deviceList)]]"
-              i18n-content="bluetoothNoDevices">
+          <span class="no-devices" hidden$="[[haveDevices_(deviceList)]]">
+            $i18n{bluetoothNoDevices}
           </span>
           <iron-selector class="flex">
             <template is="dom-repeat" items="[[deviceList]]"
@@ -40,11 +40,10 @@
             hidden$="[[!adapterState.discovering]]">
           <paper-spinner active="[[adapterState.discovering]]">
           </paper-spinner>
-          <span i18n-content="bluetoothScanning"></span>
+          $i18n{bluetoothScanning}
         </div>
         <paper-button id="cancel" class="end-justified"
-            i18n-content="cancel" on-tap="onCancelTap_">
-        </paper-button>
+            on-tap="onCancelTap_">$i18n{cancel}</paper-button>
       </div>
     </div>
   </template>