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

chrome/browser/extensions/api/content_settings/content_settings_custom_extension_provider.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/api/content_settings/content_settings_custom_extension_provider.h"
 
-#include "base/memory/scoped_ptr.h"
+#include <memory>
+
 #include "chrome/browser/extensions/api/content_settings/content_settings_store.h"
 #include "components/content_settings/core/browser/content_settings_rule.h"
 #include "components/content_settings/core/browser/content_settings_utils.h"
 #include "components/content_settings/core/common/content_settings_pattern.h"
 
 namespace content_settings {
 
 CustomExtensionProvider::CustomExtensionProvider(
     const scoped_refptr<extensions::ContentSettingsStore>& extensions_settings,
     bool incognito)
     : incognito_(incognito), extensions_settings_(extensions_settings) {
   extensions_settings_->AddObserver(this);
 }
 
 CustomExtensionProvider::~CustomExtensionProvider() {
 }
 
-scoped_ptr<RuleIterator> CustomExtensionProvider::GetRuleIterator(
+std::unique_ptr<RuleIterator> CustomExtensionProvider::GetRuleIterator(
     ContentSettingsType content_type,
     const ResourceIdentifier& resource_identifier,
     bool incognito) const {
   return extensions_settings_->GetRuleIterator(content_type,
                                                resource_identifier,
                                                incognito);
 }
 
 bool CustomExtensionProvider::SetWebsiteSetting(
     const ContentSettingsPattern& primary_pattern,
@@ skipping 15 matching lines @@
   if (incognito_ != incognito)
     return;
   // TODO(markusheintz): Be more concise.
   NotifyObservers(ContentSettingsPattern(),
                   ContentSettingsPattern(),
                   CONTENT_SETTINGS_TYPE_DEFAULT,
                   std::string());
 }
 
 }  // namespace content_settings