Some linked_ptr -> unique_ptr conversion in extensions/browser.

extensions/browser/api/networking_private/networking_private_linux.cc

Index: extensions/browser/api/networking_private/networking_private_linux.cc
diff --git a/extensions/browser/api/networking_private/networking_private_linux.cc b/extensions/browser/api/networking_private/networking_private_linux.cc
index fdff188956f00c07925883f85509e1fd7fb16519..207a08ed571b8b29f4054376ba273454af785c7a 100644
--- a/extensions/browser/api/networking_private/networking_private_linux.cc
+++ b/extensions/browser/api/networking_private/networking_private_linux.cc
@@ -937,15 +937,14 @@ void NetworkingPrivateLinux::AddOrUpdateAccessPoint(
 
   if (existing_access_point_iter == network_map->end()) {
     // Unseen access point. Add it to the map.
-    network_map->insert(NetworkMap::value_type(
-        ssid, linked_ptr<base::DictionaryValue>(access_point.release())));
+    network_map->insert(NetworkMap::value_type(ssid, std::move(access_point)));
   } else {
     // Already seen access point. Update the record if this is the connected
     // record or if the signal strength is higher. But don't override a weaker
     // access point if that is the one that is connected.
     int existing_signal_strength;
-    linked_ptr<base::DictionaryValue>& existing_access_point =
-        existing_access_point_iter->second;
+    base::DictionaryValue* existing_access_point =
+        existing_access_point_iter->second.get();
     existing_access_point->GetInteger(kAccessPointInfoWifiSignalStrengthDotted,
                                       &existing_signal_strength);