Componentize //chrome/browser/prefs/tracked.

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index 5085d58ac4495663c8a4137b0ced548169eb0497..e52f756a22640e0ad1e8c891b8b4e8184f1b157b 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -1276,7 +1276,6 @@
       'browser/renderer_context_menu/spellchecker_submenu_observer_hunspell.cc',
     ],
     'chrome_browser_non_win_sources': [
-      'browser/prefs/tracked/device_id_stub.cc',
       'browser/profiles/profile_shortcut_manager_stub.cc',
     ],
     # Sources (generally "desktop OS importers") used only on Mac & Windows.
@@ -2277,35 +2276,6 @@
       'browser/prefs/synced_pref_change_registrar.cc',
       'browser/prefs/synced_pref_change_registrar.h',
       'browser/prefs/synced_pref_observer.h',
-      'browser/prefs/tracked/device_id.h',
-      'browser/prefs/tracked/device_id_win.cc',
-      'browser/prefs/tracked/dictionary_hash_store_contents.cc',
-      'browser/prefs/tracked/dictionary_hash_store_contents.h',
-      'browser/prefs/tracked/hash_store_contents.h',
-      'browser/prefs/tracked/interceptable_pref_filter.cc',
-      'browser/prefs/tracked/interceptable_pref_filter.h',
-      'browser/prefs/tracked/pref_hash_calculator.cc',
-      'browser/prefs/tracked/pref_hash_calculator.h',
-      'browser/prefs/tracked/pref_hash_filter.cc',
-      'browser/prefs/tracked/pref_hash_filter.h',
-      'browser/prefs/tracked/pref_hash_store.h',
-      'browser/prefs/tracked/pref_hash_store_impl.cc',
-      'browser/prefs/tracked/pref_hash_store_impl.h',
-      'browser/prefs/tracked/pref_hash_store_transaction.h',
-      'browser/prefs/tracked/pref_service_hash_store_contents.cc',
-      'browser/prefs/tracked/pref_service_hash_store_contents.h',
-      'browser/prefs/tracked/segregated_pref_store.cc',
-      'browser/prefs/tracked/segregated_pref_store.h',
-      'browser/prefs/tracked/tracked_atomic_preference.cc',
-      'browser/prefs/tracked/tracked_atomic_preference.h',
-      'browser/prefs/tracked/tracked_preference.h',
-      'browser/prefs/tracked/tracked_preference_helper.cc',
-      'browser/prefs/tracked/tracked_preference_helper.h',
-      'browser/prefs/tracked/tracked_preference_validation_delegate.h',
-      'browser/prefs/tracked/tracked_preferences_migration.cc',
-      'browser/prefs/tracked/tracked_preferences_migration.h',
-      'browser/prefs/tracked/tracked_split_preference.cc',
-      'browser/prefs/tracked/tracked_split_preference.h',
     ],
     # Used both when (enable_basic_printing==1 or enable_print_preview==1).
     'chrome_browser_printing_basic_sources': [
@@ -3284,6 +3254,7 @@
             '../components/components.gyp:translate_content_browser',
             '../components/components.gyp:upload_list',
             '../components/components.gyp:url_matcher',
+            '../components/components.gyp:user_prefs_tracked', 
             '../components/components.gyp:visitedlink_browser',
             '../components/components.gyp:visitedlink_common',
             '../components/components.gyp:web_cache_browser',