Move tracked prefs into services/preferences/tracked.

chrome/browser/BUILD.gn

Index: chrome/browser/BUILD.gn
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 6bee5f7a102721e4ffa47a153183591ee740b56c..4641d0a812e7257b6c004388bbe2076a6ec77f14 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -1552,7 +1552,6 @@ split_static_library("browser") {
     "//components/url_formatter",
     "//components/url_matcher",
     "//components/user_prefs",
-    "//components/user_prefs/tracked:user_prefs_tracked",
     "//components/variations",
     "//components/variations/field_trial_config",
     "//components/variations/net",
@@ -1598,7 +1597,9 @@ split_static_library("browser") {
     "//services/identity:lib",
     "//services/preferences/public/cpp",
     "//services/preferences/public/cpp:service_main",
+    "//services/preferences/public/cpp/tracked",
     "//services/preferences/public/interfaces",
+    "//services/preferences/tracked",
     "//services/service_manager/public/cpp",
     "//services/shape_detection/public/interfaces",
     "//skia",
@@ -4403,10 +4404,10 @@ static_library("test_support") {
     "//components/subresource_filter/core/common:test_support",
     "//components/sync_preferences:test_support",
     "//components/ukm:test_support",
-    "//components/user_prefs/tracked:user_prefs_tracked_test_support",
     "//content/test:test_support",
     "//google_apis:test_support",
     "//net:test_support",
+    "//services/preferences/public/cpp/tracked:test_support",
     "//skia",
     "//testing/gmock",
     "//testing/gtest",