Enable the VariationsService on official builds when --variations-service-url is provided.

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 0024aefe4b692b665a6ae8f8d3e4b23e03fb3300..cee4079ce1d1082df53b7b69ee5d7ad18e06cc01 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -1335,7 +1335,9 @@ const char kUserDataDir[]                   = "user-data-dir";
 const char kUseWebBasedSigninFlow[]         = "use-web-based-signin-flow";
 
 // Specifies a custom URL for the server which reports variation data to the
-// client. See variations_service.cc.
+// client. Specifying this flag also forces a Variations seed request to the

[Alexei Svitkine (slow), 2013/01/03 20:14:06]

I would just say "Specifying this flag enables the variations service on
unofficial builds." and leave the details to comments in the variations service
files.

[SteveT, 2013/01/03 20:35:42]

Done.

+// URL, even in restricted builds. If no URL is specified, this will use the
+// default URL, but also force the request. See variations_service.cc.
 const char kVariationsServerURL[]            = "variations-server-url";
 
 // Prints version information and quits.