- Electron version: 1.2.2
- Operating system: Linux

This is a problem only in linux. It works in OSX.

``` javascript
win.hide()
win.capturePage(function(img){
 // never called
})
```

shell/browser/api/electron_api_web_contents.cc
if (type_ == Type::kRemote)
    return;
  if (!enable_devtools_)
    return;
  for (const auto& agent_host : content::DevToolsAgentHost::GetOrCreateAll()) {
    if (agent_host->GetType() ==
        content::DevToolsAgentHost::kTypeSharedWorker) {
      OpenDevTools(nullptr);
      inspectable_ontents_->AttachTo(agent_host);
      break;
    }
  }
}
void WebContents::InspectServiceWorker() {
  if (type_ == Type::kRemote)
    return;
  if (!enable_devtools_)
    return;
  for (const auto& agent_host : content::DevToolsAgentHost::GetOrCreateAll()) {
    if (agent_host->GetType() ==
        content::DevToolsAgentHost::kTypeServiceWorker) {
      OpenDevTools(nullptr);
      inspectable_ontents_->AttachTo(agent_host);
      break;
    }
  }
}
void WebContents::SetIgnoreMenuShortcuts(bool ignore) {