### 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:**
  * 5.0.6
* **Operating System:**
  * macOS 10.14.5
* **Last Known Working Electron version:**
  * 4.2.5

### Expected Behavior
When I click on a **button** who uses the `print()` method
The print dialog opens
Then I click on "Cancel" button
I must be able to go to another page by clicking on a link

### Actual Behavior
When I click on a **button** who uses the `print()` method
The print dialog opens
Then I click on "Cancel" button
I can not click on another link, I have to quit the application and open it again

### To Reproduce
You can download the PIA 2.1.0 version at this URL https://github.com/LINCnil/pia-app/releases/tag/2.1.0 then:
* Create a new PIA
* Click on the **Preview** icon
* Click on the **Printer** icon (Wait for the printer dialog box)
* Click on the **Cancel** button
* Try to go on another page of the application


shell/browser/api/atom_api_web_contents.cc
frame_subscriber_.reset();
}
void Ws::StartDrag(const gin_helper::Dictionary& item,
                            gin_helper::Arguments* args) {
  base::FilePath file;
  std::vector<base::FilePath> files;
  if (!item.Get("files", &files) && item.Get("file", &file)) {
    files.push_back(file);
  }
  gin::Handle<NativeImage> icon;
  if (!item.Get("icon", &icon)) {
    args->ThrowError("Must specify non-empty 'icon' option");
    return;
  }
  // Start dragging.
  if (!files.empty()) {
    base::MessageLoopCurrent::ScopedNestableTaskAllower allow;
    DragFileItems(files, icon->image(), ontents()->GetNativeView());
  } else {
    args->ThrowError("Must specify either 'file' or 'files' option");
  }
}
v8::Local<v8::Promise> Ws::CapturePage(gin_helper::Arguments* args) {