When the user navigates to the home page, make sure to set the RLZ string

chrome/common/pref_names.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/common/pref_names.h"
 
 #include "base/basictypes.h"
 
 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";
 
 // Whether we have installed default apps yet in this profile.
 const char kDefaultAppsInstalled[] = "default_apps_installed";
 
 // A boolean specifying whether the New Tab page is the home page or not.
 const char kHomePageIsNewTabPage[] = "homepage_is_newtabpage";
 
 // This is the URL of the page to load when opening new tabs.
 const char kHomePage[] = "homepage";
 
+// Did the user change the home page after install?
+const char kHomePageChanged[] = "homepage_changed";
+
 // Used to determine if the last session exited cleanly. Set to false when
 // first opened, and to true when closing. On startup if the value is false,
 // it means the profile didn't exit cleanly.
 const char kSessionExitedCleanly[] = "profile.exited_cleanly";
 
 // An integer pref. Holds one of several values:
 // 0: (or empty) don't do anything special on startup.
 // 1: restore the last session.
 // 2: this was used to indicate a specific session should be restored. It is
 //    no longer used, but saved to avoid conflict with old preferences.
@@ skipping 1537 matching lines @@
 // specified.
 const char kCustomHandlersEnabled[] = "custom_handlers.enabled";
 
 // Integers that specify the policy refresh rate for device- and user-policy in
 // milliseconds. Not all values are meaningful, so it is clamped to a sane range
 // by the cloud policy subsystem.
 const char kDevicePolicyRefreshRate[] = "policy.device_refresh_rate";
 const char kUserPolicyRefreshRate[] = "policy.user_refresh_rate";
 
 }  // namespace prefs