Remove argument to progress bar timing methods on LayoutTheme.

Source/core/layout/LayoutThemeMac.mm

Index: Source/core/layout/LayoutThemeMac.mm
diff --git a/Source/core/layout/LayoutThemeMac.mm b/Source/core/layout/LayoutThemeMac.mm
index 7a8114758e2f318f5ea4bc2679db1d02c77b9520..7836a733ebee940374ffc5e5a274a59826c8de9f 100644
--- a/Source/core/layout/LayoutThemeMac.mm
+++ b/Source/core/layout/LayoutThemeMac.mm
@@ -977,12 +977,12 @@ int LayoutThemeMac::minimumProgressBarHeight(const LayoutStyle& style) const
     return sizeForSystemFont(style, progressBarSizes()).height();
 }
 
-double LayoutThemeMac::animationRepeatIntervalForProgressBar(LayoutProgress*) const
+double LayoutThemeMac::animationRepeatIntervalForProgressBar() const
 {
     return progressAnimationFrameRate;
 }
 
-double LayoutThemeMac::animationDurationForProgressBar(LayoutProgress*) const
+double LayoutThemeMac::animationDurationForProgressBar() const
 {
     return progressAnimationNumFrames * progressAnimationFrameRate;
 }