From 51f75b3468b8014f5cc854c678a84d77a0e70ac4 Mon Sep 17 00:00:00 2001
From: Fedor <fedor@mail.ru>
Date: Sat, 30 Mar 2019 05:02:26 +0300
Subject: [PATCH] Grab caching capturing content with local variable

---
 layout/base/nsPresShell.cpp | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/layout/base/nsPresShell.cpp b/layout/base/nsPresShell.cpp
index 969ebc962..5dfbb8dba 100644
--- a/layout/base/nsPresShell.cpp
+++ b/layout/base/nsPresShell.cpp
@@ -7296,11 +7296,11 @@ PresShell::HandleEvent(nsIFrame* aFrame,
     return NS_OK;
   }
 
-  nsIContent* capturingContent = ((aEvent->mClass == ePointerEventClass ||
-                                   aEvent->mClass == eWheelEventClass ||
-                                   aEvent->HasMouseEventMessage())
-                                 ? GetCapturingContent()
-                                 : nullptr);
+  nsCOMPtr<nsIContent> capturingContent = ((aEvent->mClass == ePointerEventClass ||
+                                            aEvent->mClass == eWheelEventClass ||
+                                            aEvent->HasMouseEventMessage())
+                                          ? GetCapturingContent()
+                                          : nullptr);
 
   nsCOMPtr<nsIDocument> retargetEventDoc;
   if (!aDontRetargetEvents) {