* Electron Version: 3.0.0-beta.1 ~ 3.0.0-beta.6
* Operating System (Platform and Version): Ubuntu 16.04.2 LTS
* Last known working Electron version: versions before 3.0.0-beta.1

**Expected Behavior**
Console prints out `time to print stuff` when `Ctrl+P` is pressed.
```
const {Menu, MenuItem} = require('electron')
const menu = new Menu()
  
app.on('ready', () => {
  createWindow()
  menu.append(new MenuItem({
    label: 'Print',
    accelerator: 'CmdOrCtrl+P',
    click: () => { console.log('time to print stuff') }
  }))
  Menu.setApplicationMenu(menu)
})
```
https://github.com/hackjutsu/electron-quick-start/commit/6ceb5d7dcd2d946c071b43a3fdd1b0434ddebff5
**Actual behavior**
No output. The accelerator event is not triggered.

**To Reproduce**
```sh
git clone https://github.com/hackjutsu/electron-quick-start
cd electron-quick-start
npm install
npm run start
```
Try pressing `Ctrl+P`, and observe the output. (nothing happen...)
Change the electron version back to 2.0.0 in `pakcage.json`
```sh
npm install
npm run start
```
Try pressing `Ctrl+P`, and observe the output. (the log `time to print stuff` will show up in console)

atom/browser/native_window_views.cc
const gfx::Rect& bounds) {
  if (changed_widget != widget())
    return;
  
  
  const auto new_bounds = GetBounds();
  if (widget_size_ != new_bounds.size()) {
    if (browser_view()) {
      const auto flags = static_cast<NativeBrowserViewViews*>(browser_view())
                             ->GetAutoResizeFlags();
      int width_delta = 0;
      int height_delta = 0;
      if (flags & kAutoResizeWidth) {
        width_delta = new_bounds.width() - widget_size_.width();
      }
      if (flags & kAutoResizeHeight) {
        height_delta = new_bounds.height() - widget_size_.height();
      }
      auto* view = browser_view()->GetInspectableWebContentsView()->GetView();
      auto new_view_size = view->size();
      new_view_size.set_width(new_view_size.width() + width_delta);
      new_view_size.set_height(new_view_size.height() + height_delta);
      view->SetSize(new_view_size);
    }
    NotifyWindowResize();
    widget_size_ = new_bounds.size();
  }
}
void NativeWindowViews::DeleteDelegate() {