chromeos: Use stl utilities from the base namespace

chromeos/network/shill_property_handler.cc

Index: chromeos/network/shill_property_handler.cc
diff --git a/chromeos/network/shill_property_handler.cc b/chromeos/network/shill_property_handler.cc
index a1e643f4d0046a175ddb7179f2232e264f626e31..7ac56f15120bb74ec33fd971a11eabb0fd691689 100644
--- a/chromeos/network/shill_property_handler.cc
+++ b/chromeos/network/shill_property_handler.cc
@@ -112,10 +112,10 @@ ShillPropertyHandler::ShillPropertyHandler(Listener* listener)
 
 ShillPropertyHandler::~ShillPropertyHandler() {
   // Delete network service observers.
-  STLDeleteContainerPairSecondPointers(observed_networks_.begin(),
-                                       observed_networks_.end());
-  STLDeleteContainerPairSecondPointers(observed_devices_.begin(),
-                                       observed_devices_.end());
+  base::STLDeleteContainerPairSecondPointers(observed_networks_.begin(),
+                                             observed_networks_.end());
+  base::STLDeleteContainerPairSecondPointers(observed_devices_.begin(),
+                                             observed_devices_.end());
   CHECK(shill_manager_ == DBusThreadManager::Get()->GetShillManagerClient());
   shill_manager_->RemovePropertyChangedObserver(this);
 }