From e5bc013bd0ae0f47b4bf0d79fc9b7a30526ce009 Mon Sep 17 00:00:00 2001
From: amurali <22786016+achmurali@users.noreply.github.com>
Date: Tue, 16 Mar 2021 13:23:31 +0000
Subject: [PATCH] Bug 1698582 - Simplify the
 CoalescedMouseMoveFlusher::GetRefreshDriver method.r=sefeng

This patch simplifies the null-checks in CoalescedMouseMoveFlusher::GetRefreshDriver

Differential Revision: https://phabricator.services.mozilla.com/D108492
---
 dom/ipc/CoalescedMouseData.cpp | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/dom/ipc/CoalescedMouseData.cpp b/dom/ipc/CoalescedMouseData.cpp
index ef33d22383cc..642648f5efa7 100644
--- a/dom/ipc/CoalescedMouseData.cpp
+++ b/dom/ipc/CoalescedMouseData.cpp
@@ -106,10 +106,8 @@ CoalescedMouseMoveFlusher::CoalescedMouseMoveFlusher(
 CoalescedMouseMoveFlusher::~CoalescedMouseMoveFlusher() { RemoveObserver(); }
 
 nsRefreshDriver* CoalescedMouseMoveFlusher::GetRefreshDriver() {
-  PresShell* presShell = mBrowserChild->GetTopLevelPresShell();
-  if (!presShell || !presShell->GetPresContext() ||
-      !presShell->GetPresContext()->RefreshDriver()) {
-    return nullptr;
+  if (PresShell* presShell = mBrowserChild->GetTopLevelPresShell()) {
+    return presShell->GetRefreshDriver();
   }
-  return presShell->GetPresContext()->RefreshDriver();
+  return nullptr;
 }