[Offline Pages] Delete associated page along with bookmark.

chrome/browser/bookmarks/bookmark_model_factory.cc

Index: chrome/browser/bookmarks/bookmark_model_factory.cc
diff --git a/chrome/browser/bookmarks/bookmark_model_factory.cc b/chrome/browser/bookmarks/bookmark_model_factory.cc
index 079bf75634ea5624a808522027f5303a8ee5bf0e..55e8ba1c1ec7bd012bceb621ebfd14bd292f7248 100644
--- a/chrome/browser/bookmarks/bookmark_model_factory.cc
+++ b/chrome/browser/bookmarks/bookmark_model_factory.cc
@@ -26,6 +26,10 @@
 #include "components/undo/bookmark_undo_service.h"
 #include "content/public/browser/browser_thread.h"
 
+#if BUILDFLAG(ANDROID_JAVA_UI)
+#include "chrome/browser/android/offline_pages/offline_page_bookmark_observer_impl.h"
+#endif
+
 using bookmarks::BookmarkModel;
 
 // static
@@ -62,9 +66,16 @@ BookmarkModelFactory::~BookmarkModelFactory() {
 KeyedService* BookmarkModelFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
   Profile* profile = Profile::FromBrowserContext(context);
-  BookmarkModel* bookmark_model =
-      new BookmarkModel(base::WrapUnique(new ChromeBookmarkClient(
-          profile, ManagedBookmarkServiceFactory::GetForProfile(profile))));
+  std::unique_ptr<bookmarks::OfflinePageBookmarkObserver>
+      offline_page_observer = nullptr;
+#if BUILDFLAG(ANDROID_JAVA_UI)
+  offline_page_observer =
+      base::MakeUnique<offline_pages::OfflinePageBookmarkObserverImpl>(profile);
+#endif  // BUILDFLAG(ANDROID_JAVA_UI)
+  BookmarkModel* bookmark_model = new BookmarkModel(
+      base::WrapUnique(new ChromeBookmarkClient(
+          profile, ManagedBookmarkServiceFactory::GetForProfile(profile))),
+      std::move(offline_page_observer));
   bookmark_model->Load(profile->GetPrefs(), profile->GetPath(),
                        StartupTaskRunnerServiceFactory::GetForProfile(profile)
                            ->GetBookmarkTaskRunner(),