Convert //chrome/browser/extensions from scoped_ptr to std::unique_ptr

chrome/browser/extensions/external_loader.cc

 // Copyright (c) 2012 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 "chrome/browser/extensions/external_loader.h"
 
 #include "base/logging.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/external_provider_impl.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 27 matching lines @@
 ExternalLoader::~ExternalLoader() {}
 
 void ExternalLoader::LoadFinished() {
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (owner_) {
     owner_->SetPrefs(prefs_.release());
   }
 }
 
 void ExternalLoader::OnUpdated(
-    scoped_ptr<base::DictionaryValue> updated_prefs) {
+    std::unique_ptr<base::DictionaryValue> updated_prefs) {
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   if (owner_)
     owner_->UpdatePrefs(updated_prefs.release());
 }
 
 }  // namespace extensions