From c2aa312e0cbcaab72b3b2f4dbd6b487c23968aec Mon Sep 17 00:00:00 2001
From: Cheng Zhao <zcbenz@gmail.com>
Date: Thu, 22 Feb 2018 15:10:33 +0900
Subject: [PATCH] Check weak ptr before using it

---
 atom/browser/api/atom_api_browser_window.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/atom/browser/api/atom_api_browser_window.cc b/atom/browser/api/atom_api_browser_window.cc
index 6d2de434a0..7e67f3424c 100644
--- a/atom/browser/api/atom_api_browser_window.cc
+++ b/atom/browser/api/atom_api_browser_window.cc
@@ -205,7 +205,8 @@ void BrowserWindow::DidFirstVisuallyNonEmptyPaint() {
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE,
       base::Bind([](base::WeakPtr<BrowserWindow> self) {
-        self->Emit("ready-to-show");
+        if (self)
+          self->Emit("ready-to-show");
       }, GetWeakPtr()));
 }