Record first run startup metrics.

chrome/browser/ui/gtk/first_run_dialog.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_GTK_FIRST_RUN_DIALOG_H_
 #define CHROME_BROWSER_UI_GTK_FIRST_RUN_DIALOG_H_
 
 typedef struct _GtkButton GtkButton;
 typedef struct _GtkWidget GtkWidget;
 
 #include "base/compiler_specific.h"
 #include "chrome/browser/first_run/first_run.h"
 #include "ui/base/gtk/gtk_signal.h"
 
 class FirstRunDialog {
  public:
   // Displays the first run UI for reporting opt-in, import data etc.
+  // Returns true if the dialog was shown.
   static bool Show();
 
  private:
   FirstRunDialog(bool show_reporting_dialog, int* response);
   virtual ~FirstRunDialog();
 
   CHROMEGTK_CALLBACK_1(FirstRunDialog, void, OnResponseDialog, int);
   CHROMEG_CALLBACK_0(FirstRunDialog, void, OnLearnMoreLinkClicked, GtkButton*);
 
   void ShowReportingDialog();
@@ skipping 16 matching lines @@
   // crashes and usage stats.
   bool show_reporting_dialog_;
 
   // User response (accept or cancel) is returned through this.
   int* response_;
 
   DISALLOW_COPY_AND_ASSIGN(FirstRunDialog);
 };
 
 #endif  // CHROME_BROWSER_UI_GTK_FIRST_RUN_DIALOG_H_