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

chrome/browser/ui/webui/settings/site_settings_handler.cc

 // Copyright 2016 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/ui/webui/settings/site_settings_handler.h"
 
 #include "base/bind.h"
 #include "chrome/browser/browsing_data/browsing_data_local_storage_helper.h"
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 181 matching lines @@
   CHECK_EQ(2U, args->GetSize());
   const base::Value* callback_id;
   CHECK(args->Get(0, &callback_id));
   double type;
   CHECK(args->GetDouble(1, &type));
   ContentSettingsType content_type =
       static_cast<ContentSettingsType>(static_cast<int>(type));
 
   HostContentSettingsMap* map =
       HostContentSettingsMapFactory::GetForProfile(profile_);
-  scoped_ptr<base::ListValue> exceptions(new base::ListValue);
+  std::unique_ptr<base::ListValue> exceptions(new base::ListValue);
   site_settings::GetExceptionsFromHostContentSettingsMap(
       map, content_type, web_ui(), exceptions.get());
   ResolveJavascriptCallback(*callback_id, *exceptions.get());
 }
 
 void SiteSettingsHandler::HandleResetCategoryPermissionForOrigin(
     const base::ListValue* args) {
   CHECK_EQ(3U, args->GetSize());
   std::string primary_pattern;
   CHECK(args->GetString(0, &primary_pattern));
@@ skipping 35 matching lines @@
       HostContentSettingsMapFactory::GetForProfile(profile_);
   map->SetContentSettingCustomScope(
       ContentSettingsPattern::FromString(primary_pattern),
       secondary_pattern.empty() ?
           ContentSettingsPattern::Wildcard() :
           ContentSettingsPattern::FromString(secondary_pattern),
       content_type, "", setting);
 }
 
 }  // namespace settings