Metrics for feature engagement tracker.

components/feature_engagement_tracker/internal/BUILD.gn

 # Copyright 2017 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.
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
 }
 
 static_library("internal") {
@@ skipping 34 matching lines @@
     "never_condition_validator.cc",
     "never_condition_validator.h",
     "never_storage_validator.cc",
     "never_storage_validator.h",
     "once_condition_validator.cc",
     "once_condition_validator.h",
     "persistent_store.cc",
     "persistent_store.h",
     "single_invalid_configuration.cc",
     "single_invalid_configuration.h",
+    "stats.cc",
+    "stats.h",
     "storage_validator.h",
     "store.h",
     "system_time_provider.cc",
     "system_time_provider.h",
     "time_provider.h",
   ]
 
   public_deps = [
     "//components/feature_engagement_tracker/internal/proto",
   ]
@@ skipping 69 matching lines @@
   }
 
   generate_jni("jni_headers") {
     visibility = [ ":*" ]
     sources = [
       "android/java/src/org/chromium/components/feature_engagement_tracker/internal/FeatureEngagementTrackerImpl.java",
     ]
     jni_package = "components/feature_engagement_tracker/internal"
   }
 }