function dangerousStyleValue(name, value) {
  // Note that we've removed escapeTextForBrowser() calls here since the
  // whole string will be escaped when the attribute is injected into
  // the markup. If you provide unsafe user data here they can inject
  // arbitrary CSS which may be problematic (I couldn't repro this):
  // https://www.owasp.org/index.php/XSS_Filter_Evasion_Cheat_Sheet
  // http://www.thespanner.co.uk/2007/11/26/ultimate-xss-css-injection/
  // This is not an XSS hole but instead a potential CSS injection issue
  // which has lead to a greater discussion about how we're going to
  // trust URLs moving forward. See #2115901

  var isEmpty = value == null || typeof value === 'boolean' || value === '';
  if (isEmpty) {
    return '';
  }

  var isNonNumeric = isNaN(value);
  if (isNonNumeric || value === 0 ||
      isUnitlessNumber.hasOwnProperty(name) && isUnitlessNumber[name]) {
    return '' + value; // cast to string
  }

  if (typeof value === 'string') {
    value = value.trim();
  }
  return value + 'px';
}
This will log a single deprecation notice per function and forward the call
on to the new API.

@param {string} namespace The namespace of the call, eg 'React'
@param {string} oldName The old function name, eg 'renderComponent'
@param {string} newName The new function name, eg 'render'
@param {*} ctx The context this forwarded call should run in
@param {function} fn The function to forward on to
@return {*} Will be the value as returned from `fn`