1 files changed, 6 insertions, 1 deletions
diff --git a/WebCore/rendering/RenderProgress.cpp b/WebCore/rendering/RenderProgress.cpp
index b42cc8b..cf98f18 100644
--- a/WebCore/rendering/RenderProgress.cpp
+++ b/WebCore/rendering/RenderProgress.cpp
@@ -167,11 +167,16 @@ PassRefPtr<RenderStyle> RenderProgress::createStyleForValuePart(RenderStyle* par
     return styleForValuePart.release();
 }
 
-double RenderProgress::animationProgress()
+double RenderProgress::animationProgress() const
 {
     return m_animating ? (fmod((currentTime() - m_animationStartTime), m_animationDuration) / m_animationDuration) : 0;
 }
 
+bool RenderProgress::isDeterminate() const
+{
+    return 0 <= position();
+}
+
 void RenderProgress::animationTimerFired(Timer<RenderProgress>*)
 {
     repaint();