* **Electron Version** 4.0.4
* **Operating System** Windows 10 32 bit
* **Last known working Electron version** 3.1.3

### Expected Behavior
`webContents.print()` shold send print job to a printer

### Actual behavior
Nothing happens. Callback doesn't gets called. 

`printToPDF` works though.

### To Reproduce
```
let deviceName = 'HP LaserJet 1020'
let options = {deviceName, silent: true}
win.webContents.print({}, (err) => {
    if (!err)
      console.error('printing failed')
})
```

atom/browser/api/atom_api_web_contents.cc
IPC::Message* reply_msg) {
  AtomFrameHostMsg_GetZoomLevel::WriteReplyParams(reply_msg, GetZoomLevel());
  rfh->Send(reply_msg);
}
v8::Local<v8::Value> WebContents::GetPreloadPath(v8::Isolate* isolate) const {
  if (auto* web_preferences = WebContentsPreferences::From(web_contents())) {
    base::FilePath::StringType preload;
    if (web_preferences->GetPreloadPath(&preload)) {
      return mate::ConvertToV8(isolate, preload);
    }
  }
  return v8::Null(isolate);
}
v8::Local<v8::Value> WebContents::GetWebPreferences(
    v8::Isolate* isolate) const {
  auto* web_preferences = WebContentsPreferences::From(web_contents());
  if (!web_preferences)
    return v8::Null(isolate);
  return mate::ConvertToV8(isolate, *web_preferences->preference());
}
v8::Local<v8::Value> WebContents::GetLastWebPreferences(
    v8::Isolate* isolate) const {
  auto* web_preferences = WebContentsPreferences::From(web_contents());
  if (!web_preferences)
    return v8::Null(isolate);
  return mate::ConvertToV8(isolate, *web_preferences->last_preference());
}
bool WebContents::IsRemoteModuleEnabled() const {