[Offline Pages] Delete associated page along with bookmark.

components/bookmarks/browser/bookmark_expanded_state_tracker_unittest.cc

Index: components/bookmarks/browser/bookmark_expanded_state_tracker_unittest.cc
diff --git a/components/bookmarks/browser/bookmark_expanded_state_tracker_unittest.cc b/components/bookmarks/browser/bookmark_expanded_state_tracker_unittest.cc
index 9890f27af0f588f94a378808c8f6263e7fe4d346..f86c2b81d899abf3b0f2c4d0f2c30958c523af77 100644
--- a/components/bookmarks/browser/bookmark_expanded_state_tracker_unittest.cc
+++ b/components/bookmarks/browser/bookmark_expanded_state_tracker_unittest.cc
@@ -12,6 +12,7 @@
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "components/bookmarks/browser/bookmark_model.h"
+#include "components/bookmarks/browser/owned_bookmark_model_observer.h"
 #include "components/bookmarks/common/bookmark_pref_names.h"
 #include "components/bookmarks/test/bookmark_test_helpers.h"
 #include "components/bookmarks/test/test_bookmark_client.h"
@@ -46,7 +47,9 @@ void BookmarkExpandedStateTrackerTest::SetUp() {
   prefs_.registry()->RegisterListPref(prefs::kBookmarkEditorExpandedNodes,
                                       new base::ListValue);
   prefs_.registry()->RegisterListPref(prefs::kManagedBookmarks);
-  model_.reset(new BookmarkModel(base::WrapUnique(new TestBookmarkClient())));
+  model_.reset(
+      new BookmarkModel(base::WrapUnique(new TestBookmarkClient()),
+                        base::WrapUnique(new OwnedBookmarkModelObserver())));
   model_->Load(&prefs_, base::FilePath(),
                base::ThreadTaskRunnerHandle::Get(),
                base::ThreadTaskRunnerHandle::Get());