Convert implicit scoped_refptr constructor calls to explicit ones, part 1

chrome/browser/safe_browsing/safe_browsing_service.cc

Index: chrome/browser/safe_browsing/safe_browsing_service.cc
diff --git a/chrome/browser/safe_browsing/safe_browsing_service.cc b/chrome/browser/safe_browsing/safe_browsing_service.cc
index 592bf222da9604f45ebd4345f11990ba9da145dd..aac28cd781c4147f13ee9d6a82b0f6f1bb2b6b30 100644
--- a/chrome/browser/safe_browsing/safe_browsing_service.cc
+++ b/chrome/browser/safe_browsing/safe_browsing_service.cc
@@ -669,8 +669,8 @@ void SafeBrowsingService::Start() {
   }
 
   // We will issue network fetches using the default profile's request context.
-  scoped_refptr<URLRequestContextGetter> request_context_getter =
-      GetDefaultProfile()->GetRequestContext();
+  scoped_refptr<URLRequestContextGetter> request_context_getter(
+      GetDefaultProfile()->GetRequestContext());
 
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,