Include the notification types being used rather than transitively.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/5125003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@66627 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/gtk/options/content_filter_page_gtk.cc

@@ -21,6 +21,9 @@
 #include "chrome/browser/show_options_url.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/chrome_switches.h"
+#include "chrome/common/notification_details.h"
+#include "chrome/common/notification_service.h"
+#include "chrome/common/notification_type.h"
 #include "chrome/common/url_constants.h"
 #include "grit/generated_resources.h"
 #include "grit/locale_settings.h"