Keep only base/extractor.[cc|h].

ui/ui_metrics.h

-// Copyright 2008-2009 Google Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-// ========================================================================
-
-// Declares the usage metrics used by the worker module.
-
-#ifndef OMAHA_UI_UI_METRICS_H__
-#define OMAHA_UI_UI_METRICS_H__
-
-#include "omaha/statsreport/metrics.h"
-
-namespace omaha {
-
-// Time (ms) until the user canceled.
-DECLARE_METRIC_timing(worker_ui_cancel_ms);
-// How many times the user canceled. Only includes confirmed cancels.
-DECLARE_METRIC_count(worker_ui_cancels);
-
-// How many times the user has clicked on the x button of the UI.
-DECLARE_METRIC_count(worker_ui_click_x);
-
-// How many times the user has hit the esc key.
-DECLARE_METRIC_count(worker_ui_esc_key_total);
-
-// How many times the "Restart Browser Now/Later" buttons were displayed.
-DECLARE_METRIC_count(worker_ui_restart_browser_buttons_displayed);
-// How many times the user clicked "Restart Browser Now".
-DECLARE_METRIC_count(worker_ui_restart_browser_now_click);
-// How many times the "Restart Browsers Now/Later" buttons were displayed.
-DECLARE_METRIC_count(worker_ui_restart_all_browsers_buttons_displayed);
-// How many times the user clicked "Restart Browsers Now".
-DECLARE_METRIC_count(worker_ui_restart_all_browsers_now_click);
-// How many times the "Restart Now/Later" (reboot) buttons were displayed.
-DECLARE_METRIC_count(worker_ui_reboot_buttons_displayed);
-// How many times the user clicked "Restart Now" (reboot).
-DECLARE_METRIC_count(worker_ui_reboot_now_click);
-
-// How many times the user was offered the "Help Me Fix This" link.
-DECLARE_METRIC_count(worker_ui_get_help_displayed);
-// How many times the user clicked the "Help Me Fix This" link.
-DECLARE_METRIC_count(worker_ui_get_help_click);
-
-}  // namespace omaha
-
-#endif  // OMAHA_UI_UI_METRICS_H__