"Fix" remaining connection error handlers in Blink

third_party/WebKit/Source/modules/webshare/NavigatorShare.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/webshare/NavigatorShare.h"
 
 #include "core/dom/DOMException.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/frame/LocalFrame.h"
@@ skipping 109 matching lines @@
   return promise;
 }
 
 ScriptPromise NavigatorShare::share(ScriptState* scriptState,
                                     Navigator& navigator,
                                     const ShareData& shareData) {
   return from(navigator).share(scriptState, shareData);
 }
 
 void NavigatorShare::onConnectionError() {
+  if (!Platform::current()) {
+    // TODO(rockot): Clean this up once renderer shutdown sequence is fixed.
+    return;
+  }
+
   for (auto& client : m_clients) {
     client->onConnectionError();
   }
   m_clients.clear();
   m_service.reset();
 }
 
 }  // namespace blink