[Offline Pages] Delete associated page along with bookmark.

components/bookmarks/browser/bookmark_model.cc

Index: components/bookmarks/browser/bookmark_model.cc
diff --git a/components/bookmarks/browser/bookmark_model.cc b/components/bookmarks/browser/bookmark_model.cc
index 8d5b238a0c9a1d8cb90266e87f85b2d268dfb6d8..53705d209a67bba0ba3e40de9c4ee4d374fb95d6 100644
--- a/components/bookmarks/browser/bookmark_model.cc
+++ b/components/bookmarks/browser/bookmark_model.cc
@@ -107,8 +107,11 @@ class EmptyUndoDelegate : public BookmarkUndoDelegate {
 
 // BookmarkModel --------------------------------------------------------------
 
-BookmarkModel::BookmarkModel(std::unique_ptr<BookmarkClient> client)
+BookmarkModel::BookmarkModel(
+    std::unique_ptr<BookmarkClient> client,
+    std::unique_ptr<offline_pages::ExternalListener> offline_page_listener)
     : client_(std::move(client)),
+      offline_page_listener_(std::move(offline_page_listener)),
       loaded_(false),
       root_(GURL()),
       bookmark_bar_node_(NULL),
@@ -123,6 +126,7 @@ BookmarkModel::BookmarkModel(std::unique_ptr<BookmarkClient> client)
       undo_delegate_(nullptr),
       empty_undo_delegate_(new EmptyUndoDelegate) {
   DCHECK(client_);
+  DCHECK(offline_page_listener_);
   client_->Init(this);
 }