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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.h
void set_ignore_menu_shortcuts(bool ignore) {
    ignore_menu_shortcuts_ = ignore;
  }
  bool is_html_fullscreen() const { return html_fullscreen_; }
 protected:
  
  content::WebContents* OpenURLFromTab(
      content::WebContents* source,
      const content::OpenURLParams& params) override;
  bool CanOverscrollContent() const override;
  content::ColorChooser* OpenColorChooser(
      content::WebContents* web_contents,
      SkColor color,
      const std::vector<content::ColorSuggestion>& suggestions) override;
  void RunFileChooser(content::RenderFrameHost* render_frame_host,
                      const content::FileChooserParams& params) override;
  void EnumerateDirectory(content::WebContents* web_contents,
                          int request_id,
                          const base::FilePath& path) override;
  void EnterFullscreenModeForTab(content::WebContents* source,
                                 const GURL& origin) override;
  void ExitFullscreenModeForTab(content::WebContents* source) override;
  bool IsFullscreenForTabOrPending(
      const content::WebContents* source) const override;
  blink::WebSecurityStyle GetSecurityStyle(
      content::WebContents* web_contents,
      content::SecurityStyleExplanations* explanations) override;
  void HandleKeyboardEvent(