Componentize //chrome/browser/prefs/tracked.

components/prefs_tracker.gypi

Index: components/prefs_tracker.gypi
diff --git a/components/prefs_tracker.gypi b/components/prefs_tracker.gypi
new file mode 100644
index 0000000000000000000000000000000000000000..8c40573e6780b957ed718093c384b0fee8aa78f0
--- /dev/null
+++ b/components/prefs_tracker.gypi
@@ -0,0 +1,52 @@
+# Copyright (c) 2015 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.
+
+{
+  'targets': [
+    {
+      'target_name': 'prefs_tracker',
+      'type': 'static_library',
+      'include_dirs': [
+        '..',
+      ],
+      'dependencies': [
+      ],
+      'sources': [
+        'prefs_tracker/device_id.h',
+        'prefs_tracker/device_id_stub.cc',
+        'prefs_tracker/device_id_win.cc',
+        'prefs_tracker/dictionary_hash_store_contents.cc',
+        'prefs_tracker/dictionary_hash_store_contents.h',
+        'prefs_tracker/hash_store_contents.h',
+        'prefs_tracker/interceptable_pref_filter.cc',
+        'prefs_tracker/interceptable_pref_filter.h',
+        'prefs_tracker/pref_hash_calculator.cc',
+        'prefs_tracker/pref_hash_calculator.h',
+        'prefs_tracker/pref_hash_filter.cc',
+        'prefs_tracker/pref_hash_filter.h',
+        'prefs_tracker/pref_hash_store.h',
+        'prefs_tracker/pref_hash_store_impl.cc',
+        'prefs_tracker/pref_hash_store_impl.h',
+        'prefs_tracker/pref_hash_store_transaction.h',
+        'prefs_tracker/pref_names.cc',
+        'prefs_tracker/pref_names.h',
+        'prefs_tracker/pref_service_hash_store_contents.cc',
+        'prefs_tracker/pref_service_hash_store_contents.h',
+        'prefs_tracker/segregated_pref_store.cc',
+        'prefs_tracker/segregated_pref_store.h',
+        'prefs_tracker/tracked_atomic_preference.cc',
+        'prefs_tracker/tracked_atomic_preference.h',
+        'prefs_tracker/tracked_preference.h',
+        'prefs_tracker/tracked_preference_helper.cc',
+        'prefs_tracker/tracked_preference_helper.h',
+        'prefs_tracker/tracked_preference_validation_delegate.h',
+        'prefs_tracker/tracked_preferences_migration.cc',
+        'prefs_tracker/tracked_preferences_migration.h',
+        'prefs_tracker/tracked_split_preference.cc',
+        'prefs_tracker/tracked_split_preference.h',
+      ],
+    }
+  ],
+}
+