[Extensions] Convert APIs to use movable types [3]

chrome/browser/extensions/api/cast_devices_private/cast_devices_private_api.cc

Index: chrome/browser/extensions/api/cast_devices_private/cast_devices_private_api.cc
diff --git a/chrome/browser/extensions/api/cast_devices_private/cast_devices_private_api.cc b/chrome/browser/extensions/api/cast_devices_private/cast_devices_private_api.cc
index ab944b2499393b016485cb89c2ef8889096d406d..b40895c78d5f0c42fdcf868b332dc5c56bc2892b 100644
--- a/chrome/browser/extensions/api/cast_devices_private/cast_devices_private_api.cc
+++ b/chrome/browser/extensions/api/cast_devices_private/cast_devices_private_api.cc
@@ -93,10 +93,10 @@ CastDevicesPrivateUpdateDevicesFunction::Run() {
       api::cast_devices_private::UpdateDevices::Params::Create(*args_);
 
   CastDeviceUpdateListeners::ReceiverAndActivityList devices;
-  for (linked_ptr<api::cast_devices_private::ReceiverActivity> device :
+  for (const api::cast_devices_private::ReceiverActivity& device :
        params->devices) {
-    devices.push_back(ConvertReceiverAndActivityType(device->receiver,
-                                                     device->activity.get()));
+    devices.push_back(
+        ConvertReceiverAndActivityType(device.receiver, device.activity.get()));
   }
 
   auto listeners = CastDeviceUpdateListeners::Get(browser_context());