Add UMA stats for tracking bookmark depth

chrome/browser/ui/views/bookmarks/bookmark_menu_delegate.cc

 // Copyright (c) 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/views/bookmarks/bookmark_menu_delegate.h"
 
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
@@ skipping 121 matching lines @@
 void BookmarkMenuDelegate::ExecuteCommand(int id, int mouse_event_flags) {
   DCHECK(menu_id_to_node_map_.find(id) != menu_id_to_node_map_.end());
 
   const BookmarkNode* node = menu_id_to_node_map_[id];
   std::vector<const BookmarkNode*> selection;
   selection.push_back(node);
 
   chrome::OpenAll(parent_->GetNativeWindow(), page_navigator_, selection,
                   ui::DispositionFromEventFlags(mouse_event_flags),
                   profile_);
-  RecordBookmarkLaunch(location_);
+  RecordBookmarkLaunch(node, location_);
 }
 
 bool BookmarkMenuDelegate::ShouldExecuteCommandWithoutClosingMenu(
     int id,
     const ui::Event& event) {
   return (event.flags() & ui::EF_LEFT_MOUSE_BUTTON) &&
          ui::DispositionFromEventFlags(event.flags()) == NEW_BACKGROUND_TAB;
 }
 
 bool BookmarkMenuDelegate::GetDropFormats(
@@ skipping 331 matching lines @@
       BuildMenu(node, 0, submenu, next_menu_id);
     } else {
       NOTREACHED();
     }
   }
 }
 
 bool BookmarkMenuDelegate::IsOutsideMenuIdRange(int menu_id) const {
   return menu_id < min_menu_id_ || menu_id > max_menu_id_;
 }