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# Description

* Electron version: 1.8.4
* Operating system: Windows 10

Calling `webContents.sendInputEvent` with type as `"char"` to a document containing a webview is rendered offscreen and an input panel is focused

<!-- What do you think should happen? -->

# Expected result

Keyboard input should be placed into the input panel

<!-- What actually happens? -->

# Actual result

Electron crashes

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# Repro steps

[I have a repo set up that will demonstrate the issue.](https://github.com/ImOnALampshade/electron-webview-char-crash) Clone that to see. Read the readme in that for more information.

```bash
git clone https://github.com/ImOnALampshade/electron-webview-char-crash.git
npm install
npm start
```
atom/browser/common_web_contents_delegate_views.cc
content::WebContents* source,
    const content::NativeWebKeyboardEvent& event) {
  
  if (event.windows_key_code == ui::VKEY_ESCAPE && is_html_fullscreen())
    ExitFullscreenModeForTab(source);
  
  if (!ignore_menu_shortcuts_ && owner_window())
    owner_window()->HandleKeyboardEvent(source, event);
}
void CommonWebContentsDelegate::ShowAutofillPopup(
    bool offscreen,
    content::RenderFrameHost* frame_host,
    const gfx::RectF& bounds,
    const std::vector<base::string16>& values,
    const std::vector<base::string16>& labels) {
  if (!owner_window())
    return;
  auto* window = static_cast<NativeWindowViews*>(owner_window());
  autofill_popup_->CreateView(frame_host, offscreen, window->content_view(),
                              bounds);
  autofill_popup_->SetItems(values, labels);
}
void CommonWebContentsDelegate::HideAutofillPopup() {