[Offline Pages] Delete associated page along with bookmark.

components/bookmarks/browser/bookmark_model.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/bookmarks/browser/bookmark_model.h"
 
 #include <algorithm>
 #include <functional>
 #include <utility>
 
@@ skipping 89 matching lines @@
                              int index,
                              std::unique_ptr<BookmarkNode> node) override {}
 
   DISALLOW_COPY_AND_ASSIGN(EmptyUndoDelegate);
 };
 
 }  // namespace
 
 // 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),
       other_node_(NULL),
       mobile_node_(NULL),
       next_node_id_(1),
       observers_(
           base::ObserverList<BookmarkModelObserver>::NOTIFY_EXISTING_ONLY),
       loaded_signal_(base::WaitableEvent::ResetPolicy::MANUAL,
                      base::WaitableEvent::InitialState::NOT_SIGNALED),
       extensive_changes_(0),
       undo_delegate_(nullptr),
       empty_undo_delegate_(new EmptyUndoDelegate) {
   DCHECK(client_);
+  DCHECK(offline_page_listener_);
   client_->Init(this);
 }
 
 BookmarkModel::~BookmarkModel() {
   FOR_EACH_OBSERVER(BookmarkModelObserver, observers_,
                     BookmarkModelBeingDeleted(this));
 
   if (store_.get()) {
     // The store maintains a reference back to us. We need to tell it we're gone
     // so that it doesn't try and invoke a method back on us again.
@@ skipping 969 matching lines @@
   undo_delegate_ = undo_delegate;
   if (undo_delegate_)
     undo_delegate_->SetUndoProvider(this);
 }
 
 BookmarkUndoDelegate* BookmarkModel::undo_delegate() const {
   return undo_delegate_ ? undo_delegate_ : empty_undo_delegate_.get();
 }
 
 }  // namespace bookmarks