### Preflight Checklist
* [x] I have read the [Contributing Guidelines](https://github.com/electron/electron/blob/master/CONTRIBUTING.md) for this project.
* [x] I agree to follow the [Code of Conduct](https://github.com/electron/electron/blob/master/CODE_OF_CONDUCT.md) that this project adheres to.
* [x] I have searched the issue tracker for an issue that matches the one I want to file, without success.

### Issue Details

* **Electron Version:**
  * 12.0.0-beta.7
* **Operating System:**
  * macOS / Window
* **Last Known Working Electron version:**
  * 8

### Expected Behavior
<!-- A clear and concise description of what you expected to happen. -->
1. Add `<input type="color" />` in HTML code
2. Run the app
3. Click on input - color picker is opening
4. Pick color by Eyedropper
5. Input should be updated by selected color

### Actual Behavior
The eyedropper is not started

### To Reproduce
For reproduce you can use electron fiddle and simply add `<input type="color" />`  in HTML code
 
### Screenshots
![5ZqhvTeI95](https://user-images.githubusercontent.com/8972979/101465241-fa4ceb80-393f-11eb-950f-152f736e127e.gif)


shell/browser/api/electron_api_web_contents.cc
content::WebContents* source) {
  if (!dialog_manager_)
    dialog_manager_ = std::make_unique<ElectronJavaScriptDialogManager>();
  return dialog_manager_.get();
}
void WebContents::OnAudioStateChanged(bool audible) {
  Emit("-audio-state-changed", audible);
}
void WebContents::BeforeUnloadFired(bool proceed,
                                    const base::TimeTicks& proceed_time) {
  
  
}
void WebContents::RenderViewCreated(content::RenderViewHost* render_view_host) {
  if (!background_throttling_)
    render_view_host->SetSchedulerThrottling(false);
}
void WebContents::RenderFrameCreated(
    content::RenderFrameHost* render_frame_host) {
  auto* rwhv = render_frame_host->GetView();
  if (!rwhv)
    return;
  auto* rwh_impl =
      static_cast<content::RenderWidgetHostImpl*>(rwhv->GetRenderWidgetHost());
  if (rwh_impl)
    rwh_impl->disable_hidden_ = !background_throttling_;
}
void WebContents::RenderViewDeleted(content::RenderViewHost* render_view_host) {