Tweaks for promo messages on NTP

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
===================================================================
--- chrome/common/pref_names.cc	(revision 32147)
+++ chrome/common/pref_names.cc	(working copy)
@@ -285,8 +285,10 @@
 
 // Integer that counts the number of times the promo on the NTP has left to be
 // shown; this decrements each time the NTP is shown for the first time
-// in a session.
-const wchar_t kNTPPromoRemaining[] = L"browser.ntp.promo_remaining";
+// in a session. The message line can be closed separately from the promo
+// image, so we store two separate values for number of remaining views.
+const wchar_t kNTPPromoLineRemaining[] = L"browser.ntp.promo_line_remaining";
+const wchar_t kNTPPromoImageRemaining[] = L"browser.ntp.promo_image_remaining";
 
 // The list of origins which are allowed|denied to show desktop notifications.
 const wchar_t kDesktopNotificationAllowedOrigins[] =