Remove unused Cross Device Promo preferences.

kCrossDevicePromo* preferences are removed.

Bug: 861722
Change-Id: Ica9b5aa7c0002479c57321aedde3e20ab33e25ca
Reviewed-on: https://chromium-review.googlesource.com/1179148Reviewed-by: Martin Šrámek <msramek@chromium.org>
Commit-Queue: Ramin Halavati <rhalavati@chromium.org>
Cr-Commit-Position: refs/heads/master@{#584369}

chrome/browser/prefs/pref_service_incognito_whitelist.cc

@@ -443,14 +443,6 @@ const char* const kTemporaryIncognitoWhitelist[] = {
 
     prefs::kGoogleServicesPasswordHash,
 
-#if !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
-    prefs::kCrossDevicePromoOptedOut, prefs::kCrossDevicePromoShouldBeShown,
-    prefs::kCrossDevicePromoObservedSingleAccountCookie,
-    prefs::kCrossDevicePromoNextFetchListDevicesTime,
-    prefs::kCrossDevicePromoNumDevices,
-    prefs::kCrossDevicePromoLastDeviceActiveTime,
-#endif
-
     prefs::kWebAppCreateOnDesktop, prefs::kWebAppCreateInAppsMenu,
     prefs::kWebAppCreateInQuickLaunchBar,
 

chrome/common/pref_names.cc

@@ -1580,31 +1580,6 @@ const char kSignInPromoShowOnFirstRunAllowed[] =
 const char kSignInPromoShowNTPBubble[] = "sync_promo.show_ntp_bubble";
 #endif
 
-#if !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
-// 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 should be shown.
-const char kCrossDevicePromoShouldBeShown[] = "x_device_promo.should_be_shown";
-
-// 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";

chrome/common/pref_names.h

@@ -556,15 +556,6 @@ extern const char kSignInPromoShowOnFirstRunAllowed[];
 extern const char kSignInPromoShowNTPBubble[];
 #endif
 
-#if !defined(OS_CHROMEOS) && !defined(OS_ANDROID)
-extern const char kCrossDevicePromoOptedOut[];
-extern const char kCrossDevicePromoShouldBeShown[];
-extern const char kCrossDevicePromoObservedSingleAccountCookie[];
-extern const char kCrossDevicePromoNextFetchListDevicesTime[];
-extern const char kCrossDevicePromoNumDevices[];
-extern const char kCrossDevicePromoLastDeviceActiveTime[];
-#endif
-
 extern const char kWebAppCreateOnDesktop[];
 extern const char kWebAppCreateInAppsMenu[];
 extern const char kWebAppCreateInQuickLaunchBar[];