Create MetricsPrivateDelegate for metricsPrivate behavior

chrome/browser/extensions/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.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
 
 assert(enable_extensions)
 
@@ skipping 271 matching lines @@
     "api/messaging/message_property_provider.cc",
     "api/messaging/message_property_provider.h",
     "api/messaging/message_service.cc",
     "api/messaging/message_service.h",
     "api/messaging/native_message_port.cc",
     "api/messaging/native_message_port.h",
     "api/messaging/native_messaging_host_manifest.cc",
     "api/messaging/native_messaging_host_manifest.h",
     "api/messaging/native_messaging_policy_handler.cc",
     "api/messaging/native_messaging_policy_handler.h",
+    "api/metrics_private/chrome_metrics_private_delegate.cc",
+    "api/metrics_private/chrome_metrics_private_delegate.h",
     "api/metrics_private/metrics_private_api.cc",
     "api/metrics_private/metrics_private_api.h",
     "api/module/module.cc",
     "api/module/module.h",
     "api/music_manager_private/device_id.cc",
     "api/music_manager_private/device_id.h",
     "api/music_manager_private/device_id_chromeos.cc",
     "api/music_manager_private/device_id_linux.cc",
     "api/music_manager_private/device_id_mac.cc",
     "api/music_manager_private/device_id_win.cc",
@@ skipping 864 matching lines @@
       "api/braille_display_private/brlapi_connection.cc",
       "api/braille_display_private/brlapi_connection.h",
       "api/braille_display_private/brlapi_keycode_map.cc",
       "api/braille_display_private/brlapi_keycode_map.h",
     ]
     deps += [ "//build/linux/libbrlapi" ]
   } else {
     sources += [ "api/braille_display_private/braille_controller_stub.cc" ]
   }
 }