Use Attribute enum in camera (#175253)

homeassistant/components/camera/__init__.py

@@ -46,6 +46,7 @@ from homeassistant.const import (
     EVENT_HOMEASSISTANT_STOP,
     SERVICE_TURN_OFF,
     SERVICE_TURN_ON,
+    EntityStateAttribute,
 )
 from homeassistant.core import Event, HomeAssistant, ServiceCall, callback
 from homeassistant.exceptions import HomeAssistantError
@@ -422,7 +423,7 @@ class Camera(Entity, cached_properties=CACHED_PROPERTIES_WITH_ATTR_):
     """The base class for camera entities."""
 
     _entity_component_unrecorded_attributes = frozenset(
-        {CameraEntityStateAttribute.ACCESS_TOKEN, "entity_picture"}
+        {CameraEntityStateAttribute.ACCESS_TOKEN, EntityStateAttribute.ENTITY_PICTURE}
     )
 
     # Entity Properties

homeassistant/components/camera/media_source.py

@@ -12,7 +12,7 @@ from homeassistant.components.media_source import (
     Unresolvable,
 )
 from homeassistant.components.stream import FORMAT_CONTENT_TYPE, HLS_PROVIDER
-from homeassistant.const import ATTR_FRIENDLY_NAME
+from homeassistant.const import EntityStateAttribute
 from homeassistant.core import HomeAssistant
 from homeassistant.exceptions import HomeAssistantError
 
@@ -31,7 +31,9 @@ def _media_source_for_camera(
     camera_state = hass.states.get(camera.entity_id)
     title = camera.name
     if camera_state:
-        title = camera_state.attributes.get(ATTR_FRIENDLY_NAME, camera.name)
+        title = camera_state.attributes.get(
+            EntityStateAttribute.FRIENDLY_NAME, camera.name
+        )
 
     return BrowseMediaSource(
         domain=DOMAIN,