Method recordGoogleFontExp_

src/service/performance-impl.js:558–572

@private

()

  /** @private */
  recordGoogleFontExp_() {
    if (!this.googleFontExpRecorded_) {
      this.googleFontExpRecorded_ = true;
      const {win} = this;
      const googleFontExp = parseInt(
        computedStyle(win, win.document.body).getPropertyValue(
          '--google-font-exp'
        ),
        10
      );
      if (googleFontExp >= 0) {
        this.addEnabledExperiment(`google-font-exp=${googleFontExp}`);
      }
    }
  }

  /**
   * Tick the metrics whose values change over time.