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

components/ntp_snippets/remote/request_throttler.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/ntp_snippets/remote/request_throttler.h"
 
 #include <climits>
 #include <set>
 #include <vector>
 
@@ skipping 110 matching lines @@
 void RequestThrottler::RegisterProfilePrefs(PrefRegistrySimple* registry) {
   // Collect all pref keys in a set to make sure we register each key exactly
   // once, even if they repeat.
   std::set<std::string> keys_to_register;
   for (const RequestTypeInfo& info : kRequestTypeInfo) {
     keys_to_register.insert(info.day_pref);
     keys_to_register.insert(info.count_pref);
     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) {
   ResetCounterIfDayChanged();
 
   int new_count = GetCount(interactive_request) + 1;
   SetCount(interactive_request, new_count);
   bool available = (new_count <= GetQuota(interactive_request));
 
   if (interactive_request) {
@@ skipping 58 matching lines @@
 
 void RequestThrottler::SetDay(int day) {
   pref_service_->SetInteger(type_info_.day_pref, day);
 }
 
 bool RequestThrottler::HasDay() const {
   return pref_service_->HasPrefPath(type_info_.day_pref);
 }
 
 }  // namespace ntp_snippets