Delete dead AppsPromo code

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index 429356922f9625be191e198ce55a64a00ba7aa66..4f2cf29ff2bdd4b98d2fe4eadcb854bd20536840 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -11,10 +11,6 @@ namespace prefs {
 // *************** PROFILE PREFS ***************
 // These are attached to the user profile
 
-// A counter that controls whether the apps promo is shown in the app launcher
-// or not.
-const char kAppsPromoCounter[] = "apps_promo_counter";
-
 // A string property indicating whether default apps should be installed
 // in this profile.  Use the value "install" to enable defaults apps, or
 // "noinstall" to disable them.  This property is usually set in the
@@ -1567,9 +1563,6 @@ const char kNtpWebStorePromoUserGroup[] = "ntp.webstorepromo.usergroup";
 // Customized app page names that appear on the New Tab Page.
 const char kNtpAppPageNames[] = "ntp.app_page_names";
 
-// When true, web store promos will never be shown.
-const char kNtpHideWebStorePromo[] = "ntp.hide_webstore_promo";
-
 const char kDevToolsDisabled[] = "devtools.disabled";
 
 // A boolean specifying whether dev tools window should be opened docked.