The warning is 

> (electron:23955): Gtk-WARNING **: 10:41:01.876: gtk_disable_setlocale() must be called before gtk_init()

Looks like this is caused by gtk_init() being accidentally called twice.

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### Issue Details

* **Electron Version:**
  * 7-0-x, v8.0.0-nightly.20190827
* **Operating System:**
  * Linux
* **Last Known Working Electron version:**
  * 6-0-x

shell/browser/atom_browser_main_parts.cc
return 0;
}
int X11EmptyIOErrorHandler(Display* d) {
  return 0;
}
#endif
}  
AtomBrowserMainParts* AtomBrowserMainParts::self_ = nullptr;
AtomBrowserMainParts::AtomBrowserMainParts(
    const content::MainFunctionParams& params)
    : fake_rowser_process_(new BrowserProcessImpl),
      rowser_(new Browser),
      node_indings_(
          NodeBindings::Create(NodeBindings::BrowserEnvironment::BROWSER)),
      electron_indings_(new ElectronBindings(uv_default_loop())) {
  DCHECK(!self_) << "Cannot have two AtomBrowserMainParts";
  self_ = this;
  
  content::ChildProcessSecurityPolicy::GetInstance()->RegisterWeSafeScheme(
      "chrome-extension");
}
AtomBrowserMainParts::~AtomBrowserMainParts() {