- Electron version: 0.36.12, 0.37.6
- Operating system: Kubuntu 15.10

Try Ctrl+Shift+F, find progress freeze always.

atom/browser/common_web_contents_delegate.cc
}
void CommonWebContentsDelegate::InitWithWebContents(
    content::WebContents* web_contents) {
  web_contents->SetDelegate(this);
  printing::PrintViewManagerBasic::CreateForWebContents(web_contents);
  printing::PrintPreviewMessageHandler::CreateForWebContents(web_contents);
  
  web_contents_.reset(brightray::InspectableWebContents::Create(web_contents));
  web_contents_->SetDelegate(this);
}
void CommonWebContentsDelegate::SetOwnerWindow(NativeWindow* owner_window) {
  SetOwnerWindow(GetWebContents(), owner_window);
}
void CommonWebContentsDelegate::SetOwnerWindow(
    content::WebContents* web_contents, NativeWindow* owner_window) {
  owner_window_ = owner_window->GetWeakPtr();
  NativeWindowRelay* relay = new NativeWindowRelay(owner_window_);
  web_contents->SetUserData(relay->key, relay);
}
void CommonWebContentsDelegate::DestroyWebContents() {
  web_contents_.reset();
}
content::WebContents* CommonWebContentsDelegate::GetWebContents() const {
  if (!web_contents_)
    return nullptr;
  return web_contents_->GetWebContents();
}
content::WebContents*