[Offline Pages] Delete associated page along with bookmark.

components/offline_pages/offline_page_model_impl.cc

Index: components/offline_pages/offline_page_model_impl.cc
diff --git a/components/offline_pages/offline_page_model_impl.cc b/components/offline_pages/offline_page_model_impl.cc
index a4d63b2595aa929393db9452dd9373ae7f60891c..97db9f0d4be319de5178696ae33a3f71a1b63311 100644
--- a/components/offline_pages/offline_page_model_impl.cc
+++ b/components/offline_pages/offline_page_model_impl.cc
@@ -1068,6 +1068,27 @@ void OfflinePageModelImpl::PostClearStorageIfNeededTask() {
                                        weak_ptr_factory_.GetWeakPtr())));
 }
 
+void OfflinePageModelImpl::BookmarkNodeRemoved(
+    bookmarks::BookmarkModel* model,
+    const bookmarks::BookmarkNode* parent,
+    int old_index,
+    const bookmarks::BookmarkNode* node,
+    const std::set<GURL>& no_longer_bookmarked) {
+  ClientId client_id(kBookmarkNamespace, std::to_string(node->id()));
+  GetOfflineIdsForClientId(
+      client_id, base::Bind(&OfflinePageModelImpl::ExpireRemovedBookmarkPages,
+                            weak_ptr_factory_.GetWeakPtr()));
+}
+
+void OfflinePageModelImpl::ExpireRemovedBookmarkPages(
+    const std::vector<int64_t>& offline_ids) {
+  ExpirePages(offline_ids, base::Time::Now(),
+              base::Bind(&OfflinePageModelImpl::OnRemovedBookmarkPagesExpired,
+                         weak_ptr_factory_.GetWeakPtr()));
+}
+
+void OfflinePageModelImpl::OnRemovedBookmarkPagesExpired(bool result) {}
+
 void OfflinePageModelImpl::RunWhenLoaded(const base::Closure& task) {
   if (!is_loaded_) {
     delayed_tasks_.push_back(task);