From 0405d843be4889da2a489eb2d573855589ab874e Mon Sep 17 00:00:00 2001
From: Gaming4JC <g4jc@hyperbola.info>
Date: Wed, 22 Jan 2020 21:17:30 -0500
Subject: Bug 1419305 - Part 1: Use MicroTask on CustomElements correctly

Tag UXP Issue #1344
---
 dom/base/CustomElementRegistry.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

(limited to 'dom/base/CustomElementRegistry.h')

diff --git a/dom/base/CustomElementRegistry.h b/dom/base/CustomElementRegistry.h
index 51c97fd5e..8cea11d1f 100644
--- a/dom/base/CustomElementRegistry.h
+++ b/dom/base/CustomElementRegistry.h
@@ -311,21 +311,21 @@ private:
   void Enqueue(Element* aElement, CustomElementReaction* aReaction);
 
 private:
-  class ProcessBackupQueueRunnable : public mozilla::Runnable {
+  class BackupQueueMicroTask final : public mozilla::MicroTaskRunnable {
     public:
-      explicit ProcessBackupQueueRunnable(CustomElementReactionsStack* aReactionStack)
-        : mReactionStack(aReactionStack)
+      explicit BackupQueueMicroTask(CustomElementReactionsStack* aReactionStack)
+        : MicroTaskRunnable()
+        , mReactionStack(aReactionStack)
       {
         MOZ_ASSERT(!mReactionStack->mIsBackupQueueProcessing,
                    "mIsBackupQueueProcessing should be initially false");
         mReactionStack->mIsBackupQueueProcessing = true;
       }
 
-      NS_IMETHOD Run() override
+      virtual void Run(AutoSlowOperation& aAso) override
       {
         mReactionStack->InvokeBackupQueue();
         mReactionStack->mIsBackupQueueProcessing = false;
-        return NS_OK;
       }
 
     private:
-- 
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