Cross Device Promo - Main Eligibility Flow

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 b68af2a8778ec091b0a0b1682bacdd7723ed2674..c20806444582030824d93b97877a8e965686da22 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -1650,6 +1650,31 @@ const char kSignInPromoShowOnFirstRunAllowed[] =
 const char kSignInPromoShowNTPBubble[] = "sync_promo.show_ntp_bubble";
 #endif
 
+#if !defined(OS_CHROMEOS) && !defined(OS_ANDROID) && !defined(OS_IOS)
+// Boolean tracking whether the user chose to opt out of the x-device promo.
+const char kCrossDevicePromoOptedOut[] = "x_device_promo.opted_out";
+
+// Boolean tracking whether the x-device promo is currently active.
+const char kCrossDevicePromoActive[] = "x_device_promo.active";
+
+// Int64, representing the time when we first observed a single GAIA account in
+// the cookie. If the most recent observation does not contain exactly one
+// account, this pref does not exist.
+const char kCrossDevicePromoObservedSingleAccountCookie[] =
+    "x_device_promo.single_account_observed";
+
+// Int64, representing the time to next call the ListDevices endpoint.
+const char kCrossDevicePromoNextFetchListDevicesTime[] =
+    "x_device_promo.next_list_devices_fetch";
+
+// Int containing the number of other devices where the profile's account syncs.
+const char kCrossDevicePromoNumDevices[] = "x_device_promo.num_devices";
+
+// Int64, representing the time when we last saw activity on another device.
+const char kCrossDevicePromoLastDeviceActiveTime[] =
+    "x_device_promo.last_device_active_time";
+#endif
+
 // Create web application shortcut dialog preferences.
 const char kWebAppCreateOnDesktop[] = "browser.web_app.create_on_desktop";
 const char kWebAppCreateInAppsMenu[] = "browser.web_app.create_in_apps_menu";