Adds user metrics for tab overview.

chrome/browser/gtk/tabs/tab_strip_gtk.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/gtk/tabs/tab_strip_gtk.h"
 
 #include <algorithm>
 
 #include "app/gfx/canvas_paint.h"
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "app/slide_animation.h"
 #include "base/gfx/gtk_util.h"
 #include "base/gfx/point.h"
 #include "chrome/browser/browser_theme_provider.h"
 #include "chrome/browser/gtk/custom_button.h"
 #include "chrome/browser/gtk/gtk_dnd_util.h"
 #include "chrome/browser/gtk/tabs/dragged_tab_controller_gtk.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/common/gtk_util.h"
 #include "grit/app_resources.h"
 #include "grit/theme_resources.h"
 
 #if defined(LINUX2)
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/gtk/browser_window_gtk.h"
+#include "chrome/browser/metrics/user_metrics.h"
 #include "chrome/browser/views/tabs/tab_overview_types.h"
 #include "chrome/common/x11_util.h"
 #endif
 
 namespace {
 
 const int kDefaultAnimationDurationMs = 100;
 const int kResizeLayoutAnimationDurationMs = 166;
 const int kReorderAnimationDurationMs = 166;
 const int kAnimateToBoundsDurationMs = 150;
@@ skipping 1559 matching lines @@
                                              TabStripGtk* tabstrip) {
   Browser* browser = BrowserList::GetLastActive();
   DCHECK(browser);  // In order for the user to click on the tab there should
                     // be an active browser.
   TabOverviewTypes::Message message;
   message.set_type(TabOverviewTypes::Message::WM_SWITCH_TO_OVERVIEW_MODE);
   GtkWidget* browser_widget = GTK_WIDGET(
       static_cast<BrowserWindowGtk*>(browser->window())->GetNativeHandle());
   message.set_param(0, x11_util::GetX11WindowFromGtkWidget(browser_widget));
   TabOverviewTypes::instance()->SendMessage(message);
+
+  UserMetrics::RecordAction(L"TabOverview_PressedTabOverviewButton",
+                            tabstrip->model_->profile());
 }
 #endif