test hypothesis

ui/native_theme/native_theme_aurawin.cc

Index: ui/native_theme/native_theme_aurawin.cc
diff --git a/ui/native_theme/native_theme_aurawin.cc b/ui/native_theme/native_theme_aurawin.cc
index 956186b535c3effc7e7333d1f883afe3c09129c2..03e53c65fdbd5f43530641dd5057df2b28c9ab08 100644
--- a/ui/native_theme/native_theme_aurawin.cc
+++ b/ui/native_theme/native_theme_aurawin.cc
@@ -72,10 +72,6 @@ void NativeThemeAuraWin::Paint(SkCanvas* canvas,
 gfx::Size NativeThemeAuraWin::GetPartSize(Part part,
                                           State state,
                                           const ExtraParams& extra) const {
-  gfx::Size part_size = CommonThemeGetPartSize(part, state, extra);
-  if (!part_size.IsEmpty())
-    return part_size;
-
   // We want aura on windows to use the same size for scrollbars as we would in
   // the native theme.
   if (IsScrollbarPart(part))