Electron version: 1.2.0
Operating system: Windows 10 x64

When I invoke the webview executeJavaScript method under Electron 1.2.0 it appears as though my code is not executed. If I execute the method under Electron 1.1.3 everything is okay and my code gets executed.

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(