Collects stats on how user interacts with the bubble.

chrome/browser/ui/views/session_crashed_bubble_view.h

 // Copyright 2014 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_VIEWS_SESSION_CRASHED_BUBBLE_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_SESSION_CRASHED_BUBBLE_VIEW_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
 #include "content/public/browser/notification_observer.h"
@@ skipping 44 matching lines @@
   // indicating whether the user has already opted-in to UMA. It will be called
   // by Show. It takes ownership of |browser_observer|.
   static void ShowForReal(scoped_ptr<BrowserRemovalObserver> browser_observer,
                           bool uma_opted_in_already);
 
   // WidgetDelegateView methods.
   virtual views::View* GetInitiallyFocusedView() OVERRIDE;
   virtual base::string16 GetWindowTitle() const OVERRIDE;
   virtual bool ShouldShowWindowTitle() const OVERRIDE;
   virtual bool ShouldShowCloseButton() const OVERRIDE;
+  virtual void OnWidgetDestroying(views::Widget* widget) OVERRIDE;
 
   // views::BubbleDelegateView methods.
   virtual void Init() OVERRIDE;
 
   // views::ButtonListener methods.
   virtual void ButtonPressed(views::Button* sender,
                              const ui::Event& event) OVERRIDE;
 
   // views::StyledLabelListener methods.
   virtual void StyledLabelLinkClicked(const gfx::Range& range,
@@ skipping 47 matching lines @@
 
   // Checkbox for the user to opt-in to UMA reporting.
   views::Checkbox* uma_option_;
 
   // Whether or not the UMA opt-in option should be shown.
   bool offer_uma_optin_;
 
   // Whether or not a navigation has started on current tab.
   bool started_navigation_;
 
+  // Whether or not the user chose to restore previous session. It is used to
+  // collect bubble usage stats.
+  bool restored_;
+
   DISALLOW_COPY_AND_ASSIGN(SessionCrashedBubbleView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_SESSION_CRASHED_BUBBLE_VIEW_H_