* **Electron Version** (output of `node_modules/.bin/electron --version`):
  * v4.0.5
* **Operating System** (Platform and Version):
  *  Windows 10 

### Expected Behavior
using  webContents api to print an html file oriention  set to landscape in default printer settings and page size set to A5, 

mainWindow.webContents.print({ silent: true, printBackground: false, deviceName: 'HP LaserJet 1020' })

My issue is : it is not printing as defined in the default printer settings

but it currently printing is deviceName not set

and need to send mainWindow.webContents.print() api to silently and printer name 

### To Reproduce
If you provide a URL, please list the commands required to clone/setup/run your repo e.g.
```sh
$ git clone git@github.com:shabeer-mdy/electron-quick-start.git
$ npm install
$ npm start || electron .
```
and set any printer name to  mainWindow.webContents.print({ silent: true, printBackground: false, deviceName: 'HP LaserJet 1020' })

set any installed printer name 



shell/browser/api/atom_api_web_contents.cc
web_contents()->SetAudioMuted(muted);
}
bool WebContents::IsAudioMuted() {
  return web_contents()->IsAudioMuted();
}
bool WebContents::IsCurrentlyAudible() {
  return web_contents()->IsCurrentlyAudible();
}
#if BUILDFLAG(ENABLE_PRINTING)
void WebContents::Print(mate::Arguments* args) {
  mate::Dictionary options = mate::Dictionary::CreateEmpty(args->isolate());
  base::DictionaryValue settings;
  if (args->Length() >= 1 && !args->GetNext(&options)) {
    args->ThrowError("Invalid print settings specified");
    return;
  }
  printing::CompletionCallback callback;
  if (args->Length() == 2 && !args->GetNext(&callback)) {
    args->ThrowError("Invalid optional callback provided");
    return;
  }
  
  bool silent = false;
  options.Get("silent", &silent);