[Offline Pages] Delete associated page along with bookmark.

chrome/browser/bookmarks/chrome_bookmark_client.h

 // 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.
 
 #ifndef CHROME_BROWSER_BOOKMARKS_CHROME_BOOKMARK_CLIENT_H_
 #define CHROME_BROWSER_BOOKMARKS_CHROME_BOOKMARK_CLIENT_H_
 
 #include <set>
 #include <vector>
 
 #include "base/deferred_sequenced_task_runner.h"
 #include "base/macros.h"
+#include "build/build_config.h"
+#include "build/buildflag.h"
+#include "chrome/common/features.h"
 #include "components/bookmarks/browser/bookmark_client.h"
 
 class GURL;
 class Profile;
 
 namespace base {
 class ListValue;
 }
 
 namespace bookmarks {
 class BookmarkModel;
 class BookmarkNode;
 class BookmarkPermanentNode;
 class ManagedBookmarkService;
 }
 
+#if BUILDFLAG(ANDROID_JAVA_UI)
+namespace offline_pages {
+class OfflinePageBookmarkObserver;
+}
+#endif
+
 class ChromeBookmarkClient : public bookmarks::BookmarkClient {
  public:
   ChromeBookmarkClient(
       Profile* profile,
       bookmarks::ManagedBookmarkService* managed_bookmark_service);
   ~ChromeBookmarkClient() override;
 
   // bookmarks::BookmarkClient:
   void Init(bookmarks::BookmarkModel* model) override;
   bool PreferTouchIcon() override;
@@ skipping 16 matching lines @@
   bool CanBeEditedByUser(const bookmarks::BookmarkNode* node) override;
 
  private:
   // Pointer to the associated Profile. Must outlive ChromeBookmarkClient.
   Profile* profile_;
 
   // Pointer to the ManagedBookmarkService responsible for bookmark policy. May
   // be null during testing.
   bookmarks::ManagedBookmarkService* managed_bookmark_service_;
 
+#if BUILDFLAG(ANDROID_JAVA_UI)
+  // Owns the observer used by Offline Page listening to Bookmark Model events.
+  std::unique_ptr<offline_pages::OfflinePageBookmarkObserver>
+      offline_page_observer_;
+#endif
+
   DISALLOW_COPY_AND_ASSIGN(ChromeBookmarkClient);
 };
 
 #endif  // CHROME_BROWSER_BOOKMARKS_CHROME_BOOKMARK_CLIENT_H_