Swap ownership of RulesetService and the content delegate

components/subresource_filter/core/browser/ruleset_service.h

Index: components/subresource_filter/core/browser/ruleset_service.h
diff --git a/components/subresource_filter/core/browser/ruleset_service.h b/components/subresource_filter/core/browser/ruleset_service.h
index d460f14fde38d76aa574f2de76a64da164eaf3bf..ef84c0ca6e6bc9cc298e121488eaa5e76b42fd79 100644
--- a/components/subresource_filter/core/browser/ruleset_service.h
+++ b/components/subresource_filter/core/browser/ruleset_service.h
@@ -170,7 +170,7 @@ class RulesetService : public base::SupportsWeakPtr<RulesetService> {
   // See class comments for details of arguments.
   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);
   virtual ~RulesetService();
 
@@ -187,9 +187,6 @@ class RulesetService : public base::SupportsWeakPtr<RulesetService> {
   virtual void IndexAndStoreAndPublishRulesetIfNeeded(
       const UnindexedRulesetInfo& unindexed_ruleset_info);
 
-  // Exposed for browser tests.
-  RulesetServiceDelegate* delegate() { return delegate_.get(); }
-
  private:
   friend class SubresourceFilteringRulesetServiceTest;
   FRIEND_TEST_ALL_PREFIXES(SubresourceFilteringRulesetServiceTest,
@@ -252,7 +249,9 @@ class RulesetService : public base::SupportsWeakPtr<RulesetService> {
 
   PrefService* const local_state_;
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
-  std::unique_ptr<RulesetServiceDelegate> delegate_;
+
+  // Must outlive |this| object.
+  RulesetServiceDelegate* delegate_;
 
   UnindexedRulesetInfo queued_unindexed_ruleset_info_;
   bool is_after_startup_;