Got disabled in chromium 71 upgrade https://github.com/electron/electron/commit/798b2a3ffd55c477af6258f0afb71000c9f8ecde

/cc @brenca @codebytere 
atom/browser/osr/osr_web_contents_view.h
#ifndef ATOM_BROWSER_OSR_OSR_WEB_CONTENTS_VIEW_H_
#define ATOM_BROWSER_OSR_OSR_WEB_CONTENTS_VIEW_H_
#include "atom/browser/native_window.h"
#include "atom/browser/native_window_observer.h"
#include "atom/browser/osr/osr_render_widget_host_view.h"
#include "content/browser/renderer_host/render_view_host_delegate_view.h"
#include "content/browser/web_contents/web_contents_view.h"
#include "content/public/browser/web_contents.h"
#if defined(OS_MACOSX)
#ifdef __OBJC__
@class OffScreenView;