Stop passing raw pointers to DictionaryValue::Set, part 1

components/prefs/pref_service.h

Index: components/prefs/pref_service.h
diff --git a/components/prefs/pref_service.h b/components/prefs/pref_service.h
index d26e118d8912a90d053b9d09ca467e9fda4547f1..e08e361c40b618da1637b995323745dfc1e0052f 100644
--- a/components/prefs/pref_service.h
+++ b/components/prefs/pref_service.h
@@ -355,7 +355,8 @@ class COMPONENTS_PREFS_EXPORT PrefService : public base::NonThreadSafe {
 
   // Sets the value for this pref path in the user pref store and informs the
   // PrefNotifier of the change.
-  void SetUserPrefValue(const std::string& path, base::Value* new_value);
+  void SetUserPrefValue(const std::string& path,
+                        std::unique_ptr<base::Value> new_value);
 
   // Load preferences from storage, attempting to diagnose and handle errors.
   // This should only be called from the constructor.