Adds user metrics for tab overview.

chrome/browser/views/new_browser_window_widget.cc

 // Copyright (c) 2009 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/views/new_browser_window_widget.h"
 
 #include "app/resource_bundle.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_window.h"
+#include "chrome/browser/metrics/user_metrics.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/views/tabs/tab_overview_types.h"
 #include "chrome/common/page_transition_types.h"
 #include "googleurl/src/gurl.h"
 #include "grit/theme_resources.h"
 #include "views/controls/button/image_button.h"
 #include "views/fill_layout.h"
 #include "views/widget/root_view.h"
 #include "views/widget/widget_gtk.h"
 
@@ skipping 18 matching lines @@
   widget_ = widget;
   widget->Show();
 }
 
 NewBrowserWindowWidget::~NewBrowserWindowWidget() {
   widget_->Close();
   widget_ = NULL;
 }
 
 void NewBrowserWindowWidget::ButtonPressed(views::Button* sender) {
+  UserMetrics::RecordAction(L"TabOverview_PressedCreateNewBrowserButton",
+                            profile_);
+
   Browser* browser = Browser::Create(profile_);
   browser->AddTabWithURL(GURL(), GURL(), PageTransition::START_PAGE,
                          true, -1, false, NULL);
   browser->window()->Show();
 }