message: Fix a bug which broke the text highlighting
diff: @@ -147,8 +147,7 @@ class CanvasFontMetricsMonitor implements FontMetricsMonitor {
  }
  const { renderFontMetrics, cssFontMetrics } = computeDpiFontMetrics(this._fontFamily, this._fontSizePx,
  - this._fontSizePx);
  -
  + this._devicePixelRatio);
  this._fontMetrics = {
  charWidthPx: cssFontMetrics.widthPx,
  charHeightPx: cssFontMetrics.heightPx,
  