Delegate PersistedLogs metrics recording

components/metrics/BUILD.gn

 # Copyright 2014 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.
 
 declare_args() {
   # Overrides os name in uma metrics log to "Blimp".
   metrics_use_blimp = false
 }
 
 # These are only used by the blimp team, which has entirely migrated to gn,
@@ skipping 51 matching lines @@
     "metrics_service_accessor.cc",
     "metrics_service_accessor.h",
     "metrics_service_client.cc",
     "metrics_service_client.h",
     "metrics_state_manager.cc",
     "metrics_state_manager.h",
     "metrics_switches.cc",
     "metrics_switches.h",
     "persisted_logs.cc",
     "persisted_logs.h",
+    "persisted_logs_metrics.h",
+    "persisted_logs_metrics_impl.cc",
+    "persisted_logs_metrics_impl.h",
     "stability_metrics_helper.cc",
     "stability_metrics_helper.h",
     "system_memory_stats_recorder.h",
     "system_memory_stats_recorder_linux.cc",
     "system_memory_stats_recorder_win.cc",
     "url_constants.cc",
     "url_constants.h",
   ]
 
   public_deps = [
@@ skipping 268 matching lines @@
     deps += [ "leak_detector:unit_tests" ]
   }
 
   # iOS is not supported by the profiler and the ios-simulator bot chokes on
   # these tests.
   if (is_ios) {
     sources -= [ "child_call_stack_profile_collector_unittest.cc" ]
     deps -= [ "//components/metrics/public/cpp:call_stack_unit_tests" ]
   }
 }