Revert 107491 - Disable sync promo

BUG=101251
TEST=
TBR=dbeam@chromium.org

Review URL: http://codereview.chromium.org/8404015

TBR=sail@chromium.org
Review URL: http://codereview.chromium.org/8404020

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@107503 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/ui/webui/sync_promo_ui.cc

@@ -188,7 +188,8 @@ bool SyncPromoUI::ShouldShowSyncPromoAtStartup(Profile* profile,
   if (!AllowPromoAtStartupForCurrentBrand())
     return false;
 
-  return false;
+  // Default to show the promo.
+  return true;
 }
 
 void SyncPromoUI::DidShowSyncPromoAtStartup(Profile* profile) {