Fix cc/paint skia type mismatches

chrome/browser/ui/libgtkui/native_theme_gtk2.cc

Index: chrome/browser/ui/libgtkui/native_theme_gtk2.cc
diff --git a/chrome/browser/ui/libgtkui/native_theme_gtk2.cc b/chrome/browser/ui/libgtkui/native_theme_gtk2.cc
index 1ae5b7be92e5df8e42bd7d280b2ff583554f539a..c1a16219c9c59e791f5e2faee99f64851d59bb5a 100644
--- a/chrome/browser/ui/libgtkui/native_theme_gtk2.cc
+++ b/chrome/browser/ui/libgtkui/native_theme_gtk2.cc
@@ -77,7 +77,7 @@ void NativeThemeGtk2::PaintMenuPopupBackground(
   if (menu_background.corner_radius > 0) {
     cc::PaintFlags flags;
     flags.setStyle(cc::PaintFlags::kFill_Style);
-    flags.setFlags(cc::PaintFlags::kAntiAlias_Flag);
+    flags.setAntiAlias(true);
     flags.setColor(GetSystemColor(kColorId_MenuBackgroundColor));
 
     gfx::Path path;