test hypothesis

ui/native_theme/common_theme.h

Index: ui/native_theme/common_theme.h
diff --git a/ui/native_theme/common_theme.h b/ui/native_theme/common_theme.h
index eba9cc2ecb47b1f714d31b3d0a8c2cf8f7157c25..f70c484f758132003196d3d1fd22dfbf0a5f7c39 100644
--- a/ui/native_theme/common_theme.h
+++ b/ui/native_theme/common_theme.h
@@ -24,11 +24,6 @@ namespace ui {
 SkColor NATIVE_THEME_EXPORT GetAuraColor(NativeTheme::ColorId color_id,
                                          const NativeTheme* base_theme);
 
-gfx::Size NATIVE_THEME_EXPORT CommonThemeGetPartSize(
-    NativeTheme::Part part,
-    NativeTheme::State state,
-    const NativeTheme::ExtraParams& extra);
-
 void NATIVE_THEME_EXPORT CommonThemePaintComboboxArrow(
     SkCanvas* canvas,
     const gfx::Rect& rect);