Schedule posttask to decide Uma optin option offering

chrome/browser/ui/views/session_crashed_bubble_view.h

Index: chrome/browser/ui/views/session_crashed_bubble_view.h
diff --git a/chrome/browser/ui/views/session_crashed_bubble_view.h b/chrome/browser/ui/views/session_crashed_bubble_view.h
index 8986da6c983bff5b01a1727d9b83bd3db93ab84b..109ab16178aa4be656f4d3aa6274a7229777e739 100644
--- a/chrome/browser/ui/views/session_crashed_bubble_view.h
+++ b/chrome/browser/ui/views/session_crashed_bubble_view.h
@@ -5,6 +5,7 @@
 #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"
 #include "content/public/browser/notification_registrar.h"
@@ -41,11 +42,22 @@ class SessionCrashedBubbleView
   static void Show(Browser* browser);
 
  private:
+  // A helper class that listens to browser removal event.
+  class BrowserRemovalObserver;
+
   SessionCrashedBubbleView(views::View* anchor_view,
                            Browser* browser,
-                           content::WebContents* web_contents);
+                           content::WebContents* web_contents,
+                           bool offer_uma_optin);
   virtual ~SessionCrashedBubbleView();
 
+  // Creates and shows the session crashed bubble, with |offer_uma_optin|
+  // indicating whether the UMA opt-in checkbox should be shown. Called
+  // by Show after checking whether the UMA option should be presented and it
+  // takes ownership of |browser_observer|.
+  static void ShowForReal(scoped_ptr<BrowserRemovalObserver> browser_observer,
+                          bool offer_uma_optin);
+
   // WidgetDelegateView methods.
   virtual views::View* GetInitiallyFocusedView() OVERRIDE;
 
@@ -112,6 +124,9 @@ class SessionCrashedBubbleView
   // 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_;