Swap ownership of RulesetService and the content delegate

components/subresource_filter/core/browser/ruleset_service.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 "components/subresource_filter/core/browser/ruleset_service.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 197 matching lines @@
 decltype(&RulesetService::IndexRuleset) RulesetService::g_index_ruleset_func =
     &RulesetService::IndexRuleset;
 
 // static
 decltype(&base::ReplaceFile) RulesetService::g_replace_file_func =
     &base::ReplaceFile;
 
 RulesetService::RulesetService(
     PrefService* local_state,
     scoped_refptr<base::SequencedTaskRunner> blocking_task_runner,
-    std::unique_ptr<RulesetServiceDelegate> delegate,
+    RulesetServiceDelegate* delegate,
     const base::FilePath& indexed_ruleset_base_dir)
     : local_state_(local_state),
       blocking_task_runner_(blocking_task_runner),
-      delegate_(std::move(delegate)),
+      delegate_(delegate),
       is_after_startup_(false),
       indexed_ruleset_base_dir_(indexed_ruleset_base_dir) {
   DCHECK(delegate_);
   DCHECK_NE(local_state_->GetInitializationStatus(),
             PrefService::INITIALIZATION_STATUS_WAITING);
 
   IndexedRulesetVersion most_recently_indexed_version;
   most_recently_indexed_version.ReadFromPrefs(local_state_);
   if (most_recently_indexed_version.IsValid() &&
       most_recently_indexed_version.IsCurrentFormatVersion()) {
@@ skipping 265 matching lines @@
   // version. Bail out.
   DCHECK(ruleset_data_);
   if (!ruleset_data_->IsValid())
     return;
 
   DCHECK_EQ(error, base::File::Error::FILE_OK);
   delegate_->PublishNewRulesetVersion(ruleset_data_->DuplicateFile());
 }
 
 }  // namespace subresource_filter