Implement WebBluetooth getDescriptor[s]

content/renderer/bluetooth/web_bluetooth_impl.h

Index: content/renderer/bluetooth/web_bluetooth_impl.h
diff --git a/content/renderer/bluetooth/web_bluetooth_impl.h b/content/renderer/bluetooth/web_bluetooth_impl.h
index 431a4e4ae004b9b71c9db060d756474c0bbbc14a..4d0221104ed49fbd572592ce22e7e242010fd053 100644
--- a/content/renderer/bluetooth/web_bluetooth_impl.h
+++ b/content/renderer/bluetooth/web_bluetooth_impl.h
@@ -64,11 +64,13 @@ class CONTENT_EXPORT WebBluetoothImpl
                         web_bluetooth.mojom */,
       const blink::WebString& characteristics_uuid,
       blink::WebBluetoothGetCharacteristicsCallbacks* callbacks) override;
-  void readValue(const blink::WebString& characteristic_instance_id,
-                 blink::WebBluetoothReadValueCallbacks* callbacks) override;
-  void writeValue(const blink::WebString& characteristic_instance_id,
-                  const blink::WebVector<uint8_t>& value,
-                  blink::WebBluetoothWriteValueCallbacks*) override;
+  void characteristicReadValue(
+      const blink::WebString& characteristic_instance_id,
+      blink::WebBluetoothReadValueCallbacks* callbacks) override;
+  void characteristicWriteValue(
+      const blink::WebString& characteristic_instance_id,
+      const blink::WebVector<uint8_t>& value,
+      blink::WebBluetoothWriteValueCallbacks*) override;
   void startNotifications(
       const blink::WebString& characteristic_instance_id,
       blink::WebBluetoothNotificationsCallbacks*) override;
@@ -81,6 +83,12 @@ class CONTENT_EXPORT WebBluetoothImpl
   void registerCharacteristicObject(
       const blink::WebString& characteristic_instance_id,
       blink::WebBluetoothRemoteGATTCharacteristic* characteristic) override;
+  void getDescriptors(
+      const blink::WebString& characteristic_instance_id,
+      int32_t quantity /* Corresponds to WebBluetoothGATTQueryQuantity in
+                        web_bluetooth.mojom */,
+      const blink::WebString& descriptor_uuid,
+      blink::WebBluetoothGetDescriptorsCallbacks* callbacks) override;
 
  private:
   struct GetCharacteristicsCallback;
@@ -88,6 +96,7 @@ class CONTENT_EXPORT WebBluetoothImpl
   void RemoteCharacteristicValueChanged(
       const std::string& characteristic_instance_id,
       const std::vector<uint8_t>& value) override;
+
   void GattServerDisconnected(const WebBluetoothDeviceId& device_id) override;
 
   // Callbacks for WebBluetoothService calls:
@@ -126,7 +135,13 @@ class CONTENT_EXPORT WebBluetoothImpl
       blink::mojom::WebBluetoothResult result);
   void OnStopNotificationsComplete(
       std::unique_ptr<blink::WebBluetoothNotificationsCallbacks> callbacks);
-
+  void OnGetDescriptorsComplete(
+      const blink::WebString& service_instance_id,
+      std::unique_ptr<blink::WebBluetoothGetDescriptorsCallbacks> callbacks,
+      blink::mojom::WebBluetoothResult result,
+      base::Optional<
+          std::vector<blink::mojom::WebBluetoothRemoteGATTDescriptorPtr>>
+          descriptors);
   void DispatchCharacteristicValueChanged(
       const std::string& characteristic_instance_id,
       const std::vector<uint8_t>& value);