Adding a request counter to the snippets fetcher.

components/ntp_snippets/request_throttler.h

Index: components/ntp_snippets/request_throttler.h
diff --git a/components/ntp_snippets/request_throttler.h b/components/ntp_snippets/request_throttler.h
index f908825814b62fcb0790aca1a1a2702aeb91013f..6c934a235fb9ef9baa5c0ace182986ede6bc2d1b 100644
--- a/components/ntp_snippets/request_throttler.h
+++ b/components/ntp_snippets/request_throttler.h
@@ -46,8 +46,8 @@ class RequestThrottler {
   };
 
   RequestThrottler(PrefService* pref_service,
-                 RequestType type,
-                 int default_quota);
+                   RequestType type,
+                   int default_quota);
 
   // Registers profile prefs for all RequestTypes. Called from browser_prefs.cc.
   static void RegisterProfilePrefs(PrefRegistrySimple* registry);