Index: net/http/http_cache_transaction.cc |
=================================================================== |
--- net/http/http_cache_transaction.cc (revision 84367) |
+++ net/http/http_cache_transaction.cc (working copy) |
@@ -870,7 +870,8 @@ |
base::TimeTicks::Now() - entry_lock_waiting_since_; |
UMA_HISTOGRAM_TIMES("HttpCache.EntryLockWait", entry_lock_wait); |
static const bool prefetching_fieldtrial = |
- base::FieldTrialList::TrialExists("Prefetch"); |
+ base::FieldTrialList::Find("Prefetch") && |
+ !base::FieldTrialList::Find("Prefetch")->group_name().empty(); |
if (prefetching_fieldtrial) { |
UMA_HISTOGRAM_TIMES( |
base::FieldTrial::MakeName("HttpCache.EntryLockWait", "Prefetch"), |