Add metrics to all items in the 'wrench' menu

chrome/browser/ui/toolbar/recent_tabs_sub_menu_model.cc

 // Copyright 2012 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.
 
 #include "chrome/browser/ui/toolbar/recent_tabs_sub_menu_model.h"
 
 #include "base/bind.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/scoped_user_pref_update.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 292 matching lines @@
     if (service && delegate) {
       int window_items_idx = CommandIdToWindowVectorIndex(command_id);
       DCHECK(window_items_idx >= 0 &&
              window_items_idx < static_cast<int>(local_window_items_.size()));
       UMA_HISTOGRAM_ENUMERATION("WrenchMenu.RecentTabsSubMenu", RESTORE_WINDOW,
                                 LIMIT_RECENT_TAB_ACTION);
       service->RestoreEntryById(delegate, local_window_items_[window_items_idx],
                                 browser_->host_desktop_type(), disposition);
     }
   }
+  UMA_HISTOGRAM_TIMES("WrenchMenu.TimeToAction.RecentTab",
+                       menu_opened_timer_.Elapsed());
+  UMA_HISTOGRAM_ENUMERATION("WrenchMenu.MenuAction", MENU_ACTION_RECENT_TAB,
+                             LIMIT_MENU_ACTION);
 }
 
 int RecentTabsSubMenuModel::GetFirstRecentTabsCommandId() {
   return WindowVectorIndexToCommandId(0);
 }
 
 const gfx::FontList* RecentTabsSubMenuModel::GetLabelFontListAt(
     int index) const {
   int command_id = GetCommandIdAt(index);
   if (command_id == kRecentlyClosedHeaderCommandId ||
@@ skipping 360 matching lines @@
 
   ui::MenuModelDelegate* menu_model_delegate = GetMenuModelDelegate();
   if (menu_model_delegate)
     menu_model_delegate->OnMenuStructureChanged();
 }
 
 void RecentTabsSubMenuModel::TabRestoreServiceDestroyed(
     TabRestoreService* service) {
   TabRestoreServiceChanged(service);
 }