extensions: Use stl utilities from the base namespace

extensions/browser/process_manager.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "extensions/browser/process_manager.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/location.h"
@@ skipping 601 matching lines @@
     // This increment / decrement is to simulate an instantaneous event. This
     // has the effect of invalidating close_sequence_id, preventing any in
     // progress closes from completing and starting a new close process if
     // necessary.
     IncrementLazyKeepaliveCount(extension);
     DecrementLazyKeepaliveCount(extension);
   }
 }
 
 void ProcessManager::CloseBackgroundHosts() {
-  STLDeleteElements(&background_hosts_);
+  base::STLDeleteElements(&background_hosts_);
 }
 
 void ProcessManager::SetKeepaliveImpulseCallbackForTesting(
     const ImpulseCallbackForTesting& callback) {
   keepalive_impulse_callback_for_testing_ = callback;
 }
 
 void ProcessManager::SetKeepaliveImpulseDecrementCallbackForTesting(
     const ImpulseCallbackForTesting& callback) {
   keepalive_impulse_decrement_callback_for_testing_ = callback;
@@ skipping 355 matching lines @@
   if (extension && !IncognitoInfo::IsSplitMode(extension)) {
     BrowserContext* original_context =
         ExtensionsBrowserClient::Get()->GetOriginalContext(browser_context());
     return ProcessManager::Get(original_context)->GetSiteInstanceForURL(url);
   }
 
   return ProcessManager::GetSiteInstanceForURL(url);
 }
 
 }  // namespace extensions