From 3b81312cf7357837302811683a41da72a0fdf003 Mon Sep 17 00:00:00 2001
From: Cheng Zhao <zcbenz@gmail.com>
Date: Fri, 18 May 2018 16:31:43 +0900
Subject: [PATCH] clear pointer when WebContents is closed

---
 atom/browser/api/atom_api_web_contents_view.cc | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/atom/browser/api/atom_api_web_contents_view.cc b/atom/browser/api/atom_api_web_contents_view.cc
index a96f4a9c8d6c..e0fb14d16d81 100644
--- a/atom/browser/api/atom_api_web_contents_view.cc
+++ b/atom/browser/api/atom_api_web_contents_view.cc
@@ -63,12 +63,15 @@ WebContentsView::WebContentsView(v8::Isolate* isolate,
 }
 
 WebContentsView::~WebContentsView() {
-  api_web_contents_->RemoveObserver(this);
-  api_web_contents_->DestroyWebContents(false /* async */);
+  if (api_web_contents_) {
+    api_web_contents_->RemoveObserver(this);
+    api_web_contents_->DestroyWebContents(false /* async */);
+  }
 }
 
 void WebContentsView::OnCloseContents() {
-  // TODO(zcbenz): WebContents is closed, report the event.
+  api_web_contents_ = nullptr;
+  web_contents_.Reset();
 }
 
 // static