Add possibility to divide chrome users into groups of equal size, and change ...

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
===================================================================
--- chrome/common/pref_names.cc	(revision 72153)
+++ chrome/common/pref_names.cc	(working copy)
@@ -1021,6 +1021,17 @@
 // True if user has explicitly closed the promo line.
 const char kNTPPromoClosed[] = "ntp.promo_closed";
 
+// Users are randomly divided into 16 groups in order to slowly roll out
+// special promos.
+const char kNTPPromoGroup[] = "ntp.promo_group";
+
+// Amount of time each promo group should be shown a promo that is being slowly
+// rolled out, in hours.
+const char kNTPPromoGroupTimeSlice[] = "ntp.promo_group_timeslice";
+
+// Whether promo should be shown to Dev builds, Beta and Dev, or all builds.
+const char kNTPPromoBuild[] = "ntp.promo_build";

[arv (Not doing code reviews), 2011/01/24 18:15:11]

Sort these alphabetically?

[Miranda Callahan, 2011/01/24 18:39:22]

Resorted the whole kNTPPromo group alphabetically -- except for Start and End,
which I left together as a pair.

+
 const char kDevToolsDisabled[] = "devtools.disabled";
 
 // A boolean specifying whether dev tools window should be opened docked.