Remove stl_util's deletion function use from chrome/.

chrome/browser/devtools/device/port_forwarding_controller.cc

Index: chrome/browser/devtools/device/port_forwarding_controller.cc
diff --git a/chrome/browser/devtools/device/port_forwarding_controller.cc b/chrome/browser/devtools/device/port_forwarding_controller.cc
index 19ca9cd88bb53b5d9e5860c88929b6ae36c5b289..315aa5858e2b82e337cc88408d7c2392d54d3565 100644
--- a/chrome/browser/devtools/device/port_forwarding_controller.cc
+++ b/chrome/browser/devtools/device/port_forwarding_controller.cc
@@ -467,9 +467,9 @@ PortForwardingController::DeviceListChanged(
 }
 
 void PortForwardingController::CloseAllConnections() {
-  std::vector<Connection*> registry_copy;
   Registry copy(registry_);
-  base::STLDeleteValues(&copy);
+  for (auto& entry : copy)
+    delete entry.second;
 }
 
 void PortForwardingController::OnPrefsChange() {