[tbb-commits] [tor-browser] 30/76: Bug 1750679. r=nika, a=RyanVM

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richard pushed a commit to branch tor-browser-91.8.0esr-11.0-1
in repository tor-browser.

commit 9c99b43f8f989998f215faec36189fbc960ea3de
Author: Jed Davis <jld at mozilla.com>
AuthorDate: Fri Feb 4 18:03:40 2022 +0000

    Bug 1750679. r=nika, a=RyanVM
    
    Differential Revision: https://phabricator.services.mozilla.com/D137359
---
 gfx/vr/ipc/VRProcessParent.cpp | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/gfx/vr/ipc/VRProcessParent.cpp b/gfx/vr/ipc/VRProcessParent.cpp
index 377e2bea99a27..e24cff62c2cce 100644
--- a/gfx/vr/ipc/VRProcessParent.cpp
+++ b/gfx/vr/ipc/VRProcessParent.cpp
@@ -42,12 +42,6 @@ VRProcessParent::VRProcessParent(Listener* aListener)
 }
 
 VRProcessParent::~VRProcessParent() {
-  // Cancel all tasks. We don't want anything triggering after our caller
-  // expects this to go away.
-  {
-    MonitorAutoLock lock(mMonitor);
-    mTaskFactory.RevokeAll();
-  }
   MOZ_COUNT_DTOR(VRProcessParent);
 }
 
@@ -134,6 +128,13 @@ void VRProcessParent::Shutdown() {
 
 void VRProcessParent::DestroyProcess() {
   if (mLaunchThread) {
+    // Cancel all tasks. We don't want anything triggering after our caller
+    // expects this to go away.
+    {
+      MonitorAutoLock lock(mMonitor);
+      mTaskFactory.RevokeAll();
+    }
+
     mLaunchThread->Dispatch(NS_NewRunnableFunction("DestroyProcessRunnable",
                                                    [this] { Destroy(); }));
   }

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