Add UMA stats for tracking bookmark depth

chrome/browser/ui/views/bookmarks/bookmark_bar_view.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_bar_view.h"
 
 #include <algorithm>
 #include <limits>
 #include <set>
 #include <vector>
@@ skipping 1190 matching lines @@
     RecordAppLaunch(browser_->profile(), node->url());
     OpenURLParams params(
         node->url(), Referrer(), disposition_from_event_flags,
         content::PAGE_TRANSITION_AUTO_BOOKMARK, false);
     page_navigator_->OpenURL(params);
   } else {
     chrome::OpenAll(GetWidget()->GetNativeWindow(), page_navigator_, node,
                     disposition_from_event_flags, browser_->profile());
   }
 
-  RecordBookmarkLaunch(GetBookmarkLaunchLocation());
+  RecordBookmarkLaunch(node, GetBookmarkLaunchLocation());
 }
 
 void BookmarkBarView::ShowContextMenuForView(views::View* source,
                                              const gfx::Point& point,
                                              ui::MenuSourceType source_type) {
   if (!model_->loaded()) {
     // Don't do anything if the model isn't loaded.
     return;
   }
 
@@ skipping 630 matching lines @@
   DCHECK(apps_page_shortcut_);
   // Only perform layout if required.
   bool visible = chrome::ShouldShowAppsShortcutInBookmarkBar(
       browser_->profile());
   if (apps_page_shortcut_->visible() == visible)
     return;
   apps_page_shortcut_->SetVisible(visible);
   UpdateBookmarksSeparatorVisibility();
   Layout();
 }