Add TitledUrlIndex for indexing arbitrary title/URL pairs

components/bookmarks/browser/bookmark_node.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 COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_NODE_H_
 #define COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_NODE_H_
 
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/task/cancelable_task_tracker.h"
 #include "base/time/time.h"
+#include "components/bookmarks/browser/titled_url_node.h"
 #include "components/favicon_base/favicon_types.h"
 #include "ui/base/models/tree_node_model.h"
 #include "ui/gfx/image/image.h"
 #include "url/gurl.h"
 
 namespace bookmarks {
 
 class BookmarkModel;
 
 // BookmarkNode ---------------------------------------------------------------
 
 // BookmarkNode contains information about a starred entry: title, URL, favicon,
 // id and type. BookmarkNodes are returned from BookmarkModel.
-class BookmarkNode : public ui::TreeNode<BookmarkNode> {
+class BookmarkNode : public ui::TreeNode<BookmarkNode>, public TitledUrlNode {
  public:
   enum Type {
     URL,
     FOLDER,
     BOOKMARK_BAR,
     OTHER_NODE,
     MOBILE
   };
 
   enum FaviconState {
@@ skipping 69 matching lines @@
   bool DeleteMetaInfo(const std::string& key);
   void SetMetaInfoMap(const MetaInfoMap& meta_info_map);
   // Returns NULL if there are no values in the map.
   const MetaInfoMap* GetMetaInfoMap() const;
 
   void set_sync_transaction_version(int64_t sync_transaction_version) {
     sync_transaction_version_ = sync_transaction_version;
   }
   int64_t sync_transaction_version() const { return sync_transaction_version_; }
 
+  // TitledUrlNode interface methods.
+  const base::string16& GetTitledUrlNodeTitle() const override;
+  const GURL& GetTitledUrlNodeUrl() const override;
+
   // TODO(sky): Consider adding last visit time here, it'll greatly simplify
   // HistoryContentsProvider.
 
  private:
   friend class BookmarkModel;
 
   // A helper function to initialize various fields during construction.
   void Initialize(int64_t id);
 
   // Called when the favicon becomes invalid.
@@ skipping 81 matching lines @@
 
  private:
   bool visible_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkPermanentNode);
 };
 
 }  // namespace bookmarks
 
 #endif  // COMPONENTS_BOOKMARKS_BROWSER_BOOKMARK_NODE_H_