Re-write many calls to WrapUnique() with MakeUnique()

chrome/browser/history/history_service_factory.cc

Index: chrome/browser/history/history_service_factory.cc
diff --git a/chrome/browser/history/history_service_factory.cc b/chrome/browser/history/history_service_factory.cc
index ae573881e9f6aa76fbba66440ad33f617f5f9c3e..95ec9336b299a9e8bd3eaaefbdb761df37d4478f 100644
--- a/chrome/browser/history/history_service_factory.cc
+++ b/chrome/browser/history/history_service_factory.cc
@@ -79,9 +79,9 @@ KeyedService* HistoryServiceFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
   std::unique_ptr<history::HistoryService> history_service(
       new history::HistoryService(
-          base::WrapUnique(new ChromeHistoryClient(
-              BookmarkModelFactory::GetForBrowserContext(context))),
-          base::WrapUnique(new history::ContentVisitDelegate(context))));
+          base::MakeUnique<ChromeHistoryClient>(
+              BookmarkModelFactory::GetForBrowserContext(context)),
+          base::MakeUnique<history::ContentVisitDelegate>(context)));
   if (!history_service->Init(
           history::HistoryDatabaseParamsForPath(context->GetPath()))) {
     return nullptr;