wrapper = function() {
        if (ReactPerf.enableMeasure) {
          if (!measuredFunc) {
            measuredFunc = ReactPerf.storedMeasure(objName, fnName, func);
          }
          return measuredFunc.apply(this, arguments);
        }
        return func.apply(this, arguments);
      }
Mutates the first argument by transferring the properties from the second
argument.

@param {object} props
@param {object} newProps
@return {object}