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-rw-r--r--dom/ipc/ProcessHangMonitor.cpp2
1 files changed, 0 insertions, 2 deletions
diff --git a/dom/ipc/ProcessHangMonitor.cpp b/dom/ipc/ProcessHangMonitor.cpp
index 406d0bf0a..d46a1f5d5 100644
--- a/dom/ipc/ProcessHangMonitor.cpp
+++ b/dom/ipc/ProcessHangMonitor.cpp
@@ -323,8 +323,6 @@ HangMonitorChild::Shutdown()
{
MOZ_RELEASE_ASSERT(NS_IsMainThread());
- BackgroundHangMonitor::UnregisterAnnotator(*this);
-
MonitorAutoLock lock(mMonitor);
while (!mShutdownDone) {
mMonitor.Wait();