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

chrome/browser/extensions/extension_migrator.cc

 // Copyright 2015 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/extension_migrator.h"
 
 #include <utility>
 
 #include "base/values.h"
 #include "chrome/browser/defaults.h"
@@ skipping 11 matching lines @@
 
 ExtensionMigrator::~ExtensionMigrator() {
 }
 
 void ExtensionMigrator::StartLoading() {
   prefs_.reset(new base::DictionaryValue);
 
   const bool should_have_extension =
       IsAppPresent(old_id_) || IsAppPresent(new_id_);
   if (should_have_extension) {
-    scoped_ptr<base::DictionaryValue> entry(new base::DictionaryValue);
+    std::unique_ptr<base::DictionaryValue> entry(new base::DictionaryValue);
     entry->SetStringWithoutPathExpansion(
         ExternalProviderImpl::kExternalUpdateUrl,
         extension_urls::GetWebstoreUpdateUrl().spec());
 
     prefs_->SetWithoutPathExpansion(new_id_, std::move(entry));
   }
 
   LoadFinished();
 }
 
 bool ExtensionMigrator::IsAppPresent(const std::string& app_id) {
   return !!ExtensionRegistry::Get(profile_)->GetInstalledExtension(app_id);
 }
 
 }  // namespace extensions