MacViews: draw Mac combobox arrows

ui/native_theme/common_theme.cc

Index: ui/native_theme/common_theme.cc
diff --git a/ui/native_theme/common_theme.cc b/ui/native_theme/common_theme.cc
index cf6b6afdaaa165a1aec1a5a316fcdbe09671ad66..12a162158d176ad4e6a794f39223ac6d2293409d 100644
--- a/ui/native_theme/common_theme.cc
+++ b/ui/native_theme/common_theme.cc
@@ -405,22 +405,6 @@ SkColor GetAuraColor(NativeTheme::ColorId color_id,
   return gfx::kPlaceholderColor;
 }
 
-gfx::Size CommonThemeGetPartSize(NativeTheme::Part part,
-                                 NativeTheme::State state,
-                                 const NativeTheme::ExtraParams& extra) {
-  gfx::Size size;
-  switch (part) {
-    case NativeTheme::kComboboxArrow:
-      return ui::ResourceBundle::GetSharedInstance().GetImageNamed(
-          IDR_MENU_DROPARROW).Size();
-
-    default:
-      break;
-  }
-
-  return size;
-}
-
 void CommonThemePaintComboboxArrow(SkCanvas* canvas, const gfx::Rect& rect) {
   gfx::ImageSkia* arrow = ui::ResourceBundle::GetSharedInstance().
       GetImageSkiaNamed(IDR_MENU_DROPARROW);