- Electron version: 1.2.7
- Operating system: Mac OSX El Capitan
- Widevine CDM version: 1.4.8.885

I'm trying to build an app which play widevine-encrypted video. My prototype works only if I type `navigator.plugins` in console or if I execute `console.log(navigator.plugins);` (with console open). Otherwise it won't work.

I tried it with shaka player demo page and with local dashjs-based player.

atom/renderer/atom_renderer_client.cc
content::RenderFrame* render_frame) {
  
  node::Environment* env = node_bindings_->uv_env();
  if (env) {
    v8::HandleScope handle_scope(env->isolate());
    mate::EmitEvent(env->isolate(), env->process_object(), "document-end");
  }
}
blink::WebSpeechSynthesizer* AtomRendererClient::OverrideSpeechSynthesizer(
    blink::WebSpeechSynthesizerClient* client) {
  return new TtsDispatcher(client);
}
bool AtomRendererClient::OverrideCreatePlugin(
    content::RenderFrame* render_frame,
    blink::WebLocalFrame* frame,
    const blink::WebPluginParams& params,
    blink::WebPlugin** plugin) {
  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
  if (params.mimeType.utf8() == content::kBrowserPluginMimeType ||
      command_line->HasSwitch(switches::kEnablePlugins))
    return false;
  *plugin = nullptr;
  return true;
}
void AtomRendererClient::DidCreateScriptContext(