Move infobar handling to a tab helper.

chrome/browser/ui/gtk/collected_cookies_gtk.cc

Index: chrome/browser/ui/gtk/collected_cookies_gtk.cc
diff --git a/chrome/browser/ui/gtk/collected_cookies_gtk.cc b/chrome/browser/ui/gtk/collected_cookies_gtk.cc
index e73a8a2d549eddaa64312ffa4a5ba3660730e52b..cb9e5e1fc62cb7b5e84e5c102be92d08fd76b0f0 100644
--- a/chrome/browser/ui/gtk/collected_cookies_gtk.cc
+++ b/chrome/browser/ui/gtk/collected_cookies_gtk.cc
@@ -9,6 +9,7 @@
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/cookies_tree_model.h"
+#include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/collected_cookies_infobar_delegate.h"
 #include "chrome/browser/ui/gtk/constrained_window_gtk.h"
@@ -432,8 +433,9 @@ void CollectedCookiesGtk::Observe(int type,
 
 void CollectedCookiesGtk::OnClose(GtkWidget* close_button) {
   if (status_changed_) {
-    TabContentsWrapper::GetCurrentWrapperForContents(tab_contents_)->AddInfoBar(
-        new CollectedCookiesInfoBarDelegate(tab_contents_));
+    TabContentsWrapper::GetCurrentWrapperForContents(tab_contents_)->
+        infobar_tab_helper()->AddInfoBar(
+            new CollectedCookiesInfoBarDelegate(tab_contents_));
   }
   window_->CloseConstrainedWindow();
 }