### 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.h
#ifndef SHELL_BROWSER_API_ELECTRON_API_WEB_CONTENTS_H_
#define SHELL_BROWSER_API_ELECTRON_API_WEB_CONTENTS_H_
#include <map>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "base/observer_list_types.h"
#include "chrome/browser/devtools/devtools_file_system_indexer.h"
#include "content/common/cursors/webcursor.h"
#include "content/common/frame.mojom.h"
#include "content/public/browser/devtools_agent_host.h"
#include "content/public/browser/keyboard_event_processing_result.h"
#include "content/public/browser/render_widget_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_delegate.h"
#include "content/public/browser/web_contents_observer.h"
#include "electron/buildflags/buildflags.h"
#include "electron/shell/common/api/api.mojom.h"
#include "gin/handle.h"
#include "gin/wrappable.h"
#include "mojo/public/cpp/bindings/receiver_set.h"
#include "printing/buildflags/buildflags.h"
#include "services/service_manager/public/cpp/binder_registry.h"