[NTP] Cleanup: add brackets in components/ntp_snippets. [2/2]

components/ntp_snippets/remote/request_throttler.cc

Index: components/ntp_snippets/remote/request_throttler.cc
diff --git a/components/ntp_snippets/remote/request_throttler.cc b/components/ntp_snippets/remote/request_throttler.cc
index f1b06bd428fea5b39b3ccb6539346828e60f9fe4..ae78103892b5deb4e65ed7d503353c4ec60452ab 100644
--- a/components/ntp_snippets/remote/request_throttler.cc
+++ b/components/ntp_snippets/remote/request_throttler.cc
@@ -128,8 +128,9 @@ void RequestThrottler::RegisterProfilePrefs(PrefRegistrySimple* registry) {
     keys_to_register.insert(info.interactive_count_pref);
   }
 
-  for (const std::string& key : keys_to_register)
+  for (const std::string& key : keys_to_register) {
     registry->RegisterIntegerPref(key, 0);
+  }
 }
 
 bool RequestThrottler::DemandQuotaForRequest(bool interactive_request) {