style(ReplaySubject): rename windowSize argument to be windowTime

This is because the size is a time unit in milliseconds. Just a disambiguation

src/subject/ReplaySubject.ts

@@ -9,15 +9,15 @@ export class ReplaySubject<T> extends Subject<T> {
  private events: ReplayEvent<T>[] = [];
  private scheduler: Scheduler;
  private bufferSize: number;
- private windowSize: number;
+ private _windowTime: number;
 
  constructor(bufferSize: number = Number.POSITIVE_INFINITY,
- windowSize: number = Number.POSITIVE_INFINITY,
+ windowTime: number = Number.POSITIVE_INFINITY,
  scheduler?: Scheduler) {
  super();
  this.scheduler = scheduler;
  this.bufferSize = bufferSize < 1 ? 1 : bufferSize;
- this.windowSize = windowSize < 1 ? 1 : windowSize;
+ this._windowTime = windowTime < 1 ? 1 : windowTime;
  }
 
  protected _next(value: T): void {
@@ -49,7 +49,7 @@ export class ReplaySubject<T> extends Subject<T> {
 
  private _trimBufferThenGetEvents(now: number): ReplayEvent<T>[] {
  const bufferSize = this.bufferSize;
- const windowSize = this.windowSize;
+ const _windowTime = this._windowTime;
  const events = this.events;
 
  let eventsCount = events.length;
@@ -59,7 +59,7 @@ export class ReplaySubject<T> extends Subject<T> {
  // Start at the front of the list. Break early once
  // we encounter an event that falls within the window.
  while (spliceCount < eventsCount) {
- if ((now - events[spliceCount].time) < windowSize) {
+ if ((now - events[spliceCount].time) < _windowTime) {
  break;
  }
  spliceCount += 1;