powerMonitor.querySystemIdleTime = function (callback: Function) {
  deprecate.warn('powerMonitor.querySystemIdleTime', 'powerMonitor.getSystemIdleTime')
  if (typeof callback !== 'function') throw new Error('Must pass function as an argument')

  const idleTime = this.getSystemIdleTime()
  process.nextTick(() => callback(idleTime))
}

 setIsolatedWorldContentSecurityPolicy (worldId: number, csp: string) {
   deprecate.warn('webFrame.setIsolatedWorldContentSecurityPolicy', 'webFrame.setIsolatedWorldInfo')
   binding.setIsolatedWorldInfo(this.context, worldId, {
     securityOrigin: window.location.origin,
     csp
   })
 }

 setIsolatedWorldHumanReadableName (worldId: number, name: string) {
   deprecate.warn('webFrame.setIsolatedWorldHumanReadableName', 'webFrame.setIsolatedWorldInfo')
   binding.setIsolatedWorldInfo(this.context, worldId, { name })
 }

 // Deprecations
 // TODO(nitsakh): Remove in 6.0
 setIsolatedWorldSecurityOrigin (worldId: number, securityOrigin: string) {
   deprecate.warn('webFrame.setIsolatedWorldSecurityOrigin', 'webFrame.setIsolatedWorldInfo')
   binding.setIsolatedWorldInfo(this.context, worldId, { securityOrigin })
 }

// Populate the methods.
for (const name in binding) {
  if (!name.startsWith('_')) { // some methods are manually populated above
    // TODO(felixrieseberg): Once we can type web_frame natives, we could
    // use a neat `keyof` here
    (WebFrame as any).prototype[name] = function (...args: Array<any>) {
      return binding[name](this.context, ...args)
    }
  }
}

// Helper to return WebFrame or null depending on context.
// TODO(zcbenz): Consider returning same WebFrame for the same frame.
function getWebFrame (context: Window) {
  return context ? new WebFrame(context) : null
}

const promisifiedMethods = new Set<string>([
  'executeJavaScript',
  'executeJavaScriptInIsolatedWorld'
])

for (const method of promisifiedMethods) {
  (WebFrame as any).prototype[method] = deprecate.promisify((WebFrame as any).prototype[method])
}

const _webFrame = new WebFrame(window)

export default _webFrame