Index: base/prefs/public/pref_member.h |
diff --git a/base/prefs/public/pref_member.h b/base/prefs/public/pref_member.h |
index 52a91b5f3ed214dc50c9aa51b6f65c51bee3c089..a395ab1b41b1e3c3d7891b546aad5b4380488046 100644 |
--- a/base/prefs/public/pref_member.h |
+++ b/base/prefs/public/pref_member.h |
@@ -42,7 +42,8 @@ class PrefServiceBase; |
namespace subtle { |
-class BASE_PREFS_EXPORT PrefMemberBase : public PrefObserver { |
+class BASE_PREFS_EXPORT PrefMemberBase |
+ : public NON_EXPORTED_BASE(PrefObserver) { |
public: |
// Type of callback you can register if you need to know the name of |
// the pref that is changing. |