Use OnceCallback on Mojo interfaces in //chrome/browser/ui/webui/engagement

chrome/browser/ui/webui/engagement/site_engagement_ui.cc

Index: chrome/browser/ui/webui/engagement/site_engagement_ui.cc
diff --git a/chrome/browser/ui/webui/engagement/site_engagement_ui.cc b/chrome/browser/ui/webui/engagement/site_engagement_ui.cc
index 28d701104f0558c2bf21eff618d5fdd8ae463cfd..84b7f594e7e78364960d7117d4740d05f448aa7f 100644
--- a/chrome/browser/ui/webui/engagement/site_engagement_ui.cc
+++ b/chrome/browser/ui/webui/engagement/site_engagement_ui.cc
@@ -37,7 +37,7 @@ class SiteEngagementDetailsProviderImpl
 
   // mojom::SiteEngagementDetailsProvider overrides:
   void GetSiteEngagementDetails(
-      const GetSiteEngagementDetailsCallback& callback) override {
+      GetSiteEngagementDetailsCallback callback) override {
     SiteEngagementService* service = SiteEngagementService::Get(profile_);
     std::vector<mojom::SiteEngagementDetails> scores = service->GetAllDetails();
 
@@ -50,7 +50,7 @@ class SiteEngagementDetailsProviderImpl
       engagement_info.push_back(std::move(origin_info));
     }
 
-    callback.Run(std::move(engagement_info));
+    std::move(callback).Run(std::move(engagement_info));
   }
 
   void SetSiteEngagementBaseScoreForUrl(const GURL& origin,