code: func (c *Browser) GrantPermissionsWithParams(v *BrowserGrantPermissionsParams) (*gcdmessage.ChromeResponse, error) {
  	return gcdmessage.SendDefaultRequest(c.target, c.target.GetSendCh(), &gcdmessage.ParamRequest{Id: c.target.GetId(), Method: "Browser.grantPermissions", Params: v})
  }
docs: // GrantPermissionsWithParams - Grant specific permissions to the given origin and reject all others.