Componentize //chrome/browser/prefs/tracked.

components/user_prefs/BUILD.gn

Index: components/user_prefs/BUILD.gn
diff --git a/components/user_prefs/BUILD.gn b/components/user_prefs/BUILD.gn
index 3d777d23325f4b0e982ee9f7c927cd9782535833..5bc120095c7cfac997ed8de5085ff3be57a7ff30 100644
--- a/components/user_prefs/BUILD.gn
+++ b/components/user_prefs/BUILD.gn
@@ -16,3 +16,69 @@ component("user_prefs") {
     "//base:prefs",
   ]
 }
+
+static_library("user_prefs_tracked") {

[blundell, 2015/07/29 14:08:52]

The structure you had with GN was correct in the previous patchset, since the
convention with GN is indeed to place the BUILD.gn file in the directory of the
code that it corresponds to.

[Jitu( very slow this week), 2015/07/30 08:06:13]

Ok Done

+  sources = [
+    "device_id.h",
+    "tracked/device_id_stub.cc",
+    "tracked/device_id_win.cc",
+    "tracked/dictionary_hash_store_contents.cc",
+    "tracked/dictionary_hash_store_contents.h",
+    "tracked/hash_store_contents.h",
+    "tracked/interceptable_pref_filter.cc",
+    "tracked/interceptable_pref_filter.h",
+    "tracked/pref_hash_calculator.cc",
+    "tracked/pref_hash_calculator.h",
+    "tracked/pref_hash_filter.cc",
+    "tracked/pref_hash_filter.h",
+    "tracked/pref_hash_store.h",
+    "tracked/pref_hash_store_impl.cc",
+    "tracked/pref_hash_store_impl.h",
+    "tracked/pref_hash_store_transaction.h",
+    "tracked/pref_names.cc",
+    "tracked/pref_names.h",
+    "tracked/pref_service_hash_store_contents.cc",
+    "tracked/pref_service_hash_store_contents.h",
+    "tracked/segregated_pref_store.cc",
+    "tracked/segregated_pref_store.h",
+    "tracked/tracked_atomic_preference.cc",
+    "tracked/tracked_atomic_preference.h",
+    "tracked/tracked_preference.h",
+    "tracked/tracked_preference_helper.cc",
+    "tracked/tracked_preference_helper.h",
+    "tracked/tracked_preference_validation_delegate.h",
+    "tracked/tracked_preferences_migration.cc",
+    "tracked/tracked_preferences_migration.h",
+    "tracked/tracked_split_preference.cc",
+    "tracked/tracked_split_preference.h",
+  ]
+
+  deps = [
+    "//components/pref_registry",
+  ]
+}
+
+source_set("user_prefs_tracked_test_support") {
+  testonly = true
+  sources = [
+    "tracked/mock_validation_delegate.cc",
+    "tracked/mock_validation_delegate.h",
+  ]
+}
+
+source_set("unit_tests") {
+  testonly = true
+  sources = [
+    "tracked/device_id_unittest.cc",
+    "tracked/pref_hash_calculator_unittest.cc",
+    "tracked/pref_hash_filter_unittest.cc",
+    "tracked/pref_hash_store_impl_unittest.cc",
+    "tracked/pref_service_hash_store_contents_unittest.cc",
+    "tracked/segregated_pref_store_unittest.cc",
+    "tracked/tracked_preferences_migration_unittest.cc",
+  ]
+
+  deps = [
+    ":user_prefs_tracked_test_support",
+  ]
+}