[Offline Pages] Delete associated page along with bookmark.

components/offline_pages/stub_offline_page_model.cc

Index: components/offline_pages/stub_offline_page_model.cc
diff --git a/components/offline_pages/stub_offline_page_model.cc b/components/offline_pages/stub_offline_page_model.cc
index 9d00e46a1993da488bfb75ac168b07b67824762c..3e311d52366765069cedf2f95b10137403c6c524 100644
--- a/components/offline_pages/stub_offline_page_model.cc
+++ b/components/offline_pages/stub_offline_page_model.cc
@@ -70,6 +70,11 @@ void StubOfflinePageModel::ExpirePages(
     const std::vector<int64_t>& offline_ids,
     const base::Time& expiration_time,
     const base::Callback<void(bool)>& callback) {}
+void StubOfflinePageModel::ExpireRemovedBookmarkPage(
+    const bookmarks::BookmarkNode* node) {}
+OfflinePageBookmarkObserver* StubOfflinePageModel::GetBookmarkObserver() {
+  return nullptr;
+}
 ClientPolicyController* StubOfflinePageModel::GetPolicyController() {
   return nullptr;
 }