Index: net/url_request/url_request_http_job.cc |
=================================================================== |
--- net/url_request/url_request_http_job.cc (revision 84367) |
+++ net/url_request/url_request_http_job.cc (working copy) |
@@ -1127,7 +1127,8 @@ |
request_creation_time_ = base::Time(); |
static const bool use_prefetch_histogram = |
- base::FieldTrialList::TrialExists("Prefetch"); |
+ base::FieldTrialList::Find("Prefetch") && |
+ !base::FieldTrialList::Find("Prefetch")->group_name().empty(); |
UMA_HISTOGRAM_MEDIUM_TIMES("Net.HttpTimeToFirstByte", to_start); |
if (use_prefetch_histogram) { |