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
new printing::PrintWebViewHelper(render_view);
  new AtomRenderViewObserver(render_view, this);
  blink::WebFrameWidget* web_frame_widget = render_view->GetWebFrameWidget();
  if (!web_frame_widget)
    return;
  base::CommandLine* cmd = base::CommandLine::ForCurrentProcess();
  if (cmd->HasSwitch(switches::kGuestInstanceID)) {  
    web_frame_widget->setBaseBackgroundColor(SK_ColorTRANSPARENT);
  } else {  
    
    std::string name = cmd->GetSwitchValueASCII(switches::kBackgroundColor);
    
    SkColor color = name.empty() ? SK_ColorWHITE : ParseHexColor(name);
    web_frame_widget->setBaseBackgroundColor(color);
  }
}
void AtomRendererClient::RunScriptsAtDocumentStart(
    content::RenderFrame* render_frame) {
  
  render_frame->GetWebFrame()->executeScript(
      blink::WebScriptSource("void 0"));
  
  node::Environment* env = node_bindings_->uv_env();
  if (env) {
    v8::HandleScope handle_scope(env->isolate());
    mate::EmitEvent(env->isolate(), env->process_object(), "document-start");
  }
}
void AtomRendererClient::RunScriptsAtDocumentEnd(