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authorwolfbeast <mcwerewolf@wolfbeast.com>2019-01-29 00:40:24 +0100
committerwolfbeast <mcwerewolf@wolfbeast.com>2019-01-29 00:40:24 +0100
commitabcaa560fcaf2f814fc40eef46557033c910eb96 (patch)
tree22acce9135d8f314d3e690cd743b42bcda968d52 /toolkit/components/perfmonitoring/nsPerformanceStats.cpp
parent3476c1d60ec29c5497123194acd7a9310b1023d2 (diff)
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Revert "Reduce number of allocations in AutoStopwatch"
This reverts commit 3476c1d60ec29c5497123194acd7a9310b1023d2.
Diffstat (limited to 'toolkit/components/perfmonitoring/nsPerformanceStats.cpp')
-rw-r--r--toolkit/components/perfmonitoring/nsPerformanceStats.cpp8
1 files changed, 2 insertions, 6 deletions
diff --git a/toolkit/components/perfmonitoring/nsPerformanceStats.cpp b/toolkit/components/perfmonitoring/nsPerformanceStats.cpp
index 03e63a461..6c470356a 100644
--- a/toolkit/components/perfmonitoring/nsPerformanceStats.cpp
+++ b/toolkit/components/perfmonitoring/nsPerformanceStats.cpp
@@ -1310,12 +1310,8 @@ nsPerformanceStatsService::GetResources(uint64_t* userTime,
void
nsPerformanceStatsService::NotifyJankObservers(const mozilla::Vector<uint64_t>& aPreviousJankLevels) {
-
- // The move operation is generally constant time, unless `mPendingAlerts.length()` is very small, in which case it's
- // fast anyway.
- GroupVector alerts(Move(mPendingAlerts));
- mPendingAlerts = GroupVector(); // Reconstruct after `Move`.
-
+ GroupVector alerts;
+ mPendingAlerts.swap(alerts);
if (!mPendingAlertsCollector) {
// We are shutting down.
return;