Remove argument to progress bar timing methods on LayoutTheme.

Source/core/layout/LayoutTheme.h

Index: Source/core/layout/LayoutTheme.h
diff --git a/Source/core/layout/LayoutTheme.h b/Source/core/layout/LayoutTheme.h
index 915633df537ae373ec3760ef6ade6c1a5a9c5714..a94eb571b4923a05642404769746a892e699bb99 100644
--- a/Source/core/layout/LayoutTheme.h
+++ b/Source/core/layout/LayoutTheme.h
@@ -158,9 +158,9 @@ public:
     virtual bool paintCapsLockIndicator(LayoutObject*, const PaintInfo&, const IntRect&) { return 0; };
 
     // Returns the repeat interval of the animation for the progress bar.
-    virtual double animationRepeatIntervalForProgressBar(LayoutProgress*) const;
+    virtual double animationRepeatIntervalForProgressBar() const;
     // Returns the duration of the animation for the progress bar.
-    virtual double animationDurationForProgressBar(LayoutProgress*) const;
+    virtual double animationDurationForProgressBar() const;
 
     // Media controls
     virtual String formatMediaControlsTime(float time) const;