[Cronet] Don't spam log if system cookie doesn't have creation time.

ios/net/cookies/cookie_store_ios.mm

Index: ios/net/cookies/cookie_store_ios.mm
diff --git a/ios/net/cookies/cookie_store_ios.mm b/ios/net/cookies/cookie_store_ios.mm
index fb231140ed3e006115b3921dd3f391a7bd30866f..8576980aca272232bf3e0fb786070f4e505e66ff 100644
--- a/ios/net/cookies/cookie_store_ios.mm
+++ b/ios/net/cookies/cookie_store_ios.mm
@@ -28,6 +28,7 @@
 #include "ios/net/cookies/cookie_creation_time_manager.h"
 #include "ios/net/cookies/cookie_store_ios_client.h"
 #include "ios/net/cookies/system_cookie_util.h"
+#include "ios/net/ios_net_features.h"
 #import "net/base/mac/url_conversions.h"
 #include "net/cookies/cookie_util.h"
 #include "net/cookies/parsed_cookie.h"
@@ -175,11 +176,11 @@ NSInteger CompareCookies(id a, id b, void* context) {
   DCHECK(manager);
   base::Time created_a = manager->GetCreationTime(cookie_a);
   base::Time created_b = manager->GetCreationTime(cookie_b);
-#if !defined(CRNET)
+#if !BUILDFLAG(CRONET_BUILD)
   // CookieCreationTimeManager is returning creation times that are null.
-  // Since in CrNet, the cookie store is recreated on startup, let's suppress
+  // Since in Cronet, the cookie store is recreated on startup, let's suppress
   // this warning for now.
-  // TODO(huey): Instead of suppressing the warning, assign a creation time
+  // TODO(mef): Instead of suppressing the warning, assign a creation time
   // to cookies if one doesn't already exist.
   DLOG_IF(ERROR, created_a.is_null() || created_b.is_null())
       << "Cookie without creation date";