From 622544a902253fd6d9b9b44e787c35bb50daa0aa Mon Sep 17 00:00:00 2001
From: Aleksei Kuzmin <alkuzmin@microsoft.com>
Date: Tue, 29 May 2018 17:42:15 +0200
Subject: [PATCH] Check embedder_message_dispatcher_ before sending a message

HandleMessageFromDevToolsFrontend() might be called
after the WebContentsDestroyed() is.
---
 brightray/browser/inspectable_web_contents_impl.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/brightray/browser/inspectable_web_contents_impl.cc b/brightray/browser/inspectable_web_contents_impl.cc
index 70ff7d2ff5..ab609a4a9d 100644
--- a/brightray/browser/inspectable_web_contents_impl.cc
+++ b/brightray/browser/inspectable_web_contents_impl.cc
@@ -617,6 +617,11 @@ void InspectableWebContentsImpl::RegisterExtensionsAPI(
 
 void InspectableWebContentsImpl::HandleMessageFromDevToolsFrontend(
     const std::string& message) {
+  // TODO(alexeykuzmin): Should we expect it to exist?
+  if (!embedder_message_dispatcher_) {
+    return;
+  }
+
   std::string method;
   base::ListValue empty_params;
   base::ListValue* params = &empty_params;