[i18n] chromeos login i18n-content to $i18n{}

chrome/browser/resources/chromeos/login/oobe_screen_hid_detection.html

 <div class="step hidden" id="hid-detection" hidden role="group"
     i18n-values="aria-label:hidDetectionInvitation">
   <oobe-hid-detection-md id="oobe-hid-detection-md" hidden>
   </oobe-hid-detection-md>
   <div id="oobe-hid-detection">
     <div class="step-contents">
-      <div id="hid-invitation-text" i18n-content="hidDetectionInvitation"></div>
-      <div id="hid-prerequisite-msg" i18n-content="hidDetectionPrerequisites">
-      </div>
+      <div id="hid-invitation-text">$i18n{hidDetectionInvitation}</div>
+      <div id="hid-prerequisite-msg">$i18n{hidDetectionPrerequisites}</div>
       <div id="hid-mouse-block">
         <div id="hid-mouse-icon-block">
           <img id="hid-mouse-icon" src="chrome://theme/IDR_BLUETOOTH_MOUSE"
               alt="">
           <img id="hid-mouse-tick"
               src="chrome://theme/IDR_BLUETOOTH_PAIRING_TICK" alt="">
         </div>
         <div id="hid-mouse-label">
-          <span id="hid-mouse-label-searching" aria-live="polite"
-              i18n-content="hidDetectionMouseSearching" class="label">
+          <span id="hid-mouse-label-searching" aria-live="polite" class="label">
+            $i18n{hidDetectionMouseSearching}
           </span>
-          <span id="hid-mouse-label-usb" aria-live="polite"
-              i18n-content="hidDetectionUSBMouseConnected" class="label">
+          <span id="hid-mouse-label-usb" aria-live="polite" class="label">
+            $i18n{hidDetectionUSBMouseConnected}
           </span>
-          <span id="hid-mouse-label-connected" aria-live="polite"
-              i18n-content="hidDetectionPointingDeviceConnected" class="label">
+          <span id="hid-mouse-label-connected" aria-live="polite" class="label">
+            $i18n{hidDetectionPointingDeviceConnected}
           </span>
-          <span id="hid-mouse-label-paired" aria-live="polite"
-              i18n-content="hidDetectionBTMousePaired" class="label">
+          <span id="hid-mouse-label-paired" aria-live="polite" class="label">
+            $i18n{hidDetectionBTMousePaired}
           </span>
         </div>
       </div>
       <div id="hid-keyboard-block" class="searching">
         <div id="hid-keyboard-icon-block">
           <img id="hid-keyboard-icon"
               src="chrome://theme/IDR_BLUETOOTH_KEYBOARD" alt="">
           <img id="hid-keyboard-tick"
               src="chrome://theme/IDR_BLUETOOTH_PAIRING_TICK" alt="">
         </div>
         <div id="hid-keyboard-label">
-          <span id="hid-keyboard-label-searching" aria-live="polite"
-              i18n-content="hidDetectionKeyboardSearching" class="label">
+          <span id="hid-keyboard-label-searching" aria-live="polite" class="label">
+            $i18n{hidDetectionKeyboardSearching}
           </span>
-          <span id="hid-keyboard-label-usb" aria-live="polite"
-              i18n-content="hidDetectionUSBKeyboardConnected" class="label">
+          <span id="hid-keyboard-label-usb" aria-live="polite" class="label">
+            $i18n{hidDetectionUSBKeyboardConnected}
           </span>
           <span id="hid-keyboard-label-paired" class="label" aria-live="polite">
           </span>
           <span id="hid-keyboard-label-pairing" class="label"></span>
         </div>
         <div id="hid-keyboard-pincode" hidden>
           <div id="hid-keyboard-pincode-sym-1"
               class="bluetooth-keyboard-button">
           </div>
           <div id="hid-keyboard-pincode-sym-2"
               class="bluetooth-keyboard-button">
           </div>
           <div id="hid-keyboard-pincode-sym-3"
               class="bluetooth-keyboard-button">
           </div>
           <div id="hid-keyboard-pincode-sym-4"
               class="bluetooth-keyboard-button">
           </div>
           <div id="hid-keyboard-pincode-sym-5"
               class="bluetooth-keyboard-button">
           </div>
           <div id="hid-keyboard-pincode-sym-6"
               class="bluetooth-keyboard-button">
           </div>
-          <div id="hid-keyboard-pincode-sym-7"
-              i18n-content="hidDetectionBTEnterKey"
-              class="bluetooth-keyboard-button">
+          <div id="hid-keyboard-pincode-sym-7" class="bluetooth-keyboard-button">
+            $i18n{hidDetectionBTEnterKey}
           </div>
         </div>
       </div>
     </div>
     <div id="hid-detection-controls" class="step-controls"></div>
   </div>
 </div>