[Offline Pages] Delete associated page along with bookmark.

chrome/browser/bookmarks/chrome_bookmark_client.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 "chrome/browser/bookmarks/chrome_bookmark_client.h"
 
 #include "base/logging.h"
+#include "base/memory/ptr_util.h"
 #include "build/build_config.h"
 #include "chrome/browser/favicon/favicon_service_factory.h"
 #include "chrome/browser/history/history_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
+#include "components/bookmarks/browser/bookmark_model.h"
 #include "components/bookmarks/browser/bookmark_node.h"
 #include "components/bookmarks/browser/bookmark_storage.h"
 #include "components/bookmarks/managed/managed_bookmark_service.h"
 #include "components/bookmarks/managed/managed_bookmark_util.h"
 #include "components/favicon/core/favicon_util.h"
 #include "components/history/core/browser/history_service.h"
 #include "components/history/core/browser/url_database.h"
 #include "content/public/browser/user_metrics.h"
 
+#if BUILDFLAG(ANDROID_JAVA_UI)
+#include "chrome/browser/android/offline_pages/offline_page_bookmark_observer.h"
+#endif
+
 ChromeBookmarkClient::ChromeBookmarkClient(
     Profile* profile,
     bookmarks::ManagedBookmarkService* managed_bookmark_service)
     : profile_(profile), managed_bookmark_service_(managed_bookmark_service) {}
 
 ChromeBookmarkClient::~ChromeBookmarkClient() {
 }
 
 void ChromeBookmarkClient::Init(bookmarks::BookmarkModel* model) {
   if (managed_bookmark_service_)
     managed_bookmark_service_->BookmarkModelCreated(model);
+
+#if BUILDFLAG(ANDROID_JAVA_UI)
+  offline_page_observer_ =
+      base::MakeUnique<offline_pages::OfflinePageBookmarkObserver>(profile_);
+  model->AddObserver(offline_page_observer_.get());
+#endif
 }
 
 bool ChromeBookmarkClient::PreferTouchIcon() {
   return false;
 }
 
 base::CancelableTaskTracker::TaskId
 ChromeBookmarkClient::GetFaviconImageForPageURL(
     const GURL& page_url,
     favicon_base::IconType type,
@@ skipping 68 matching lines @@
              ? true
              : managed_bookmark_service_->CanSyncNode(node);
 }
 
 bool ChromeBookmarkClient::CanBeEditedByUser(
     const bookmarks::BookmarkNode* node) {
   return !managed_bookmark_service_
              ? true
              : managed_bookmark_service_->CanBeEditedByUser(node);
 }