Use a better registration suffix that will always be unique while respecting the MSDN rules.

base/win/win_util.h

Index: base/win/win_util.h
diff --git a/base/win/win_util.h b/base/win/win_util.h
index e831cd7450f8f1cd13edcea988158da8f9b8e4eb..a3978d5c799f3f99674a9f056c987947e1b11e62 100644
--- a/base/win/win_util.h
+++ b/base/win/win_util.h
@@ -47,9 +47,15 @@ const int kReflectedMessage = WM_APP + 3;
 
 BASE_EXPORT void GetNonClientMetrics(NONCLIENTMETRICS* metrics);
 
-// Returns the string representing the current user sid.
+// Sets |user_sid| to the current user's sid.
+// Returns true on success.
 BASE_EXPORT bool GetUserSidString(std::wstring* user_sid);
 
+// Sets |user_sid| to a base 16 encoding (using A-N range) of the current user's
+// sid. This will fit in exactly 24 characters.
+// Returns true on success.
+BASE_EXPORT bool GetUserSidBase16Encoded(string16* user_sid);

[gab, 2012/06/21 05:55:41]

Maybe this doesn't belong here idk...

+
 // Returns true if the shift key is currently pressed.
 BASE_EXPORT bool IsShiftPressed();