Implement WebBluetooth getDescriptor[s]

content/browser/bluetooth/cache_query_result.h

Index: content/browser/bluetooth/cache_query_result.h
diff --git a/content/browser/bluetooth/cache_query_result.h b/content/browser/bluetooth/cache_query_result.h
index 19c202f5f4bd202d2b8fef5a86c5e087a1487031..1f3b923863f1bd08efbb716817a540fd6fbfa265 100644
--- a/content/browser/bluetooth/cache_query_result.h
+++ b/content/browser/bluetooth/cache_query_result.h
@@ -12,6 +12,7 @@ namespace device {
 class BluetoothDevice;
 class BluetoothRemoteGattService;
 class BluetoothRemoteGattCharacteristic;
+class BluetoothRemoteGattDescriptor;
 }
 
 namespace content {
@@ -40,6 +41,8 @@ struct CacheQueryResult {
       case CacheQueryOutcome::NO_CHARACTERISTIC:
         return blink::mojom::WebBluetoothResult::
             CHARACTERISTIC_NO_LONGER_EXISTS;
+      case CacheQueryOutcome::NO_DESCRIPTOR:
+        return blink::mojom::WebBluetoothResult::DESCRIPTOR_NO_LONGER_EXISTS;
     }
     NOTREACHED();
     return blink::mojom::WebBluetoothResult::DEVICE_NO_LONGER_IN_RANGE;
@@ -48,6 +51,7 @@ struct CacheQueryResult {
   device::BluetoothDevice* device = nullptr;
   device::BluetoothRemoteGattService* service = nullptr;
   device::BluetoothRemoteGattCharacteristic* characteristic = nullptr;
+  device::BluetoothRemoteGattDescriptor* descriptor = nullptr;
   CacheQueryOutcome outcome;
 };