From c94f1fc857e0c07303e60d8df0e89e48808f207c Mon Sep 17 00:00:00 2001
From: Kevin Sawicki <kevinsawicki@gmail.com>
Date: Tue, 9 Feb 2016 10:20:55 -0800
Subject: [PATCH] Throw error when IPC channel is missing

---
 atom/browser/api/lib/web-contents.js | 3 +++
 spec/api-browser-window-spec.js      | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/atom/browser/api/lib/web-contents.js b/atom/browser/api/lib/web-contents.js
index 08252923fc27..8dde10df4d19 100644
--- a/atom/browser/api/lib/web-contents.js
+++ b/atom/browser/api/lib/web-contents.js
@@ -78,6 +78,9 @@ let wrapWebContents = function(webContents) {
   webContents.send = function() {
     var args = 2 <= arguments.length ? slice.call(arguments, 1) : [];
     var channel = arguments[0];
+    if (channel == null) {
+      throw new Error('channel must be specified');
+    }
     return this._send(channel, slice.call(args));
   };
 
diff --git a/spec/api-browser-window-spec.js b/spec/api-browser-window-spec.js
index d91e9d410e0a..ee34ba2c576b 100644
--- a/spec/api-browser-window-spec.js
+++ b/spec/api-browser-window-spec.js
@@ -664,6 +664,10 @@ describe('browser-window module', function() {
       assert.throws(function () {
         w.webContents.send();
       }, 'channel must be specified');
+
+      assert.throws(function () {
+        w.webContents.send(null);
+      }, 'channel must be specified');
     });
   });
 });