Reland 37913. Clear local state on exit.

chrome/browser/views/options/cookie_filter_page_view.h

Index: chrome/browser/views/options/cookie_filter_page_view.h
diff --git a/chrome/browser/views/options/cookie_filter_page_view.h b/chrome/browser/views/options/cookie_filter_page_view.h
index 812e1dd88acdb1b1d618c4577770c60cc0cbff26..d2129f01c4b675da86d7347892b5ea323860950a 100644
--- a/chrome/browser/views/options/cookie_filter_page_view.h
+++ b/chrome/browser/views/options/cookie_filter_page_view.h
@@ -33,6 +33,7 @@ class CookieFilterPageView : public OptionsPageView,
  private:
   // OptionsPageView implementation:
   virtual void InitControlLayout();
+  virtual void NotifyPrefChanged(const std::wstring* pref_name);
 
   // views::ButtonListener implementation:
   virtual void ButtonPressed(views::Button* sender, const views::Event& event);
@@ -50,6 +51,9 @@ class CookieFilterPageView : public OptionsPageView,
   views::Checkbox* clear_on_close_check_;
   views::NativeButton* show_cookies_button_;
 
+  // Clear locally stored site data on exit pref.
+  BooleanPrefMember clear_site_data_on_exit_;
+
   DISALLOW_COPY_AND_ASSIGN(CookieFilterPageView);
 };