1 files changed, 5 insertions, 0 deletions
diff --git a/chromium/third_party/blink/renderer/core/css/css_font_face.h b/chromium/third_party/blink/renderer/core/css/css_font_face.h
index 1c725193245..7727f1f7f98 100644
--- a/chromium/third_party/blink/renderer/core/css/css_font_face.h
+++ b/chromium/third_party/blink/renderer/core/css/css_font_face.h
@@ -80,6 +80,11 @@ class CORE_EXPORT CSSFontFace final : public GarbageCollected<CSSFontFace> {
   void Load();
   void Load(const FontDescription&);
 
+  // Recalculate the font loading timeline period for the font face.
+  // https://drafts.csswg.org/css-fonts-4/#font-display-timeline
+  // Returns true if the display period is changed.
+  bool UpdatePeriod();
+
   bool HadBlankText() { return IsValid() && sources_.front()->HadBlankText(); }
 
   void Trace(Visitor*);