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### Issue Details

* **Electron Version:**
  * 7.0.0-beta.3
* **Operating System:**
  * macOS 10.14.5
* **Last Known Working Electron version:**
  * 6.0.2

### Expected Behavior
Show file chooser dialog when clicking input type="file" after canceled the dialog.

### Actual Behavior
Can't show file chooser dialog when clicking input type="file" after canceled the dialog.

### To Reproduce

1. Clone and Install source code.
```sh
$ git clone https://github.com/agata/electron-quick-start.git -b bug-for-file-chooser-after-canceled
$ npm install
$ npm start || electron .
```
2. Click <input type="file"> -> Show file chooser dialog.
3. Click cancel button of the dialog -> Close the dialog
4. Click <input type="file"> again -> Can't show file chooser dialog.

### Screenshots
![bug-for-file-chooser-after-canceled](https://user-images.githubusercontent.com/40473/63176157-60916900-c080-11e9-8715-f263319f0e68.gif)

### Additional Information
WebView has same problem.
shell/browser/web_dialog_helper.cc
std::vector<FileChooserFileInfoPtr> file_info;
    for (const auto& path : lister_paths_)
      file_info.push_back(FileChooserFileInfo::NewNativeFile(
          blink::mojom::NativeFileInfo::New(path, base::string16())));
    OnFilesSelected(std::move(file_info), lister_base_dir_);
    Release();
  }
  void EnumerateDirectory() {
    
    DCHECK(!lister_);
    DCHECK(!lister_base_dir_.empty());
    DCHECK(lister_paths_.empty());
    lister_.reset(new net::DirectoryLister(
        lister_base_dir_, net::DirectoryLister::NO_SORT_RECURSIVE, this));
    lister_->Start();
    
    
    
    
    
    AddRef();
  }
  void OnOpenDialogDone(mate::Dictionary result) {