Fix object ownership in ui/base/models.

chrome/browser/android/bookmarks/partner_bookmarks_shim.h

 // Copyright 2013 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_ANDROID_BOOKMARKS_PARTNER_BOOKMARKS_SHIM_H_
 #define CHROME_BROWSER_ANDROID_BOOKMARKS_PARTNER_BOOKMARKS_SHIM_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 76 matching lines @@
   void RemoveObserver(Observer* observer);
 
   // PartnerBookmarksShim versions of BookmarkModel/BookmarkNode methods
   const bookmarks::BookmarkNode* GetNodeByID(int64_t id) const;
   base::string16 GetTitle(const bookmarks::BookmarkNode* node) const;
 
   bool IsPartnerBookmark(const bookmarks::BookmarkNode* node) const;
   const bookmarks::BookmarkNode* GetPartnerBookmarksRoot() const;
 
   // Sets the root node of the partner bookmarks and notifies any observers that
-  // the shim has now been loaded.  Takes ownership of |root_node|.
-  void SetPartnerBookmarksRoot(bookmarks::BookmarkNode* root_node);
+  // the shim has now been loaded.
+  void SetPartnerBookmarksRoot(
+      std::unique_ptr<bookmarks::BookmarkNode> root_node);
 
   // Used as a "unique" identifier of the partner bookmark node for the purposes
   // of node deletion and title editing. Two bookmarks with the same URLs and
   // titles are considered indistinguishable.
   class NodeRenamingMapKey {
    public:
     NodeRenamingMapKey(const GURL& url, const base::string16& provider_title);
     ~NodeRenamingMapKey();
     const GURL& url() const { return url_; }
     const base::string16& provider_title() const { return provider_title_; }
@@ skipping 29 matching lines @@
   PrefService* prefs_;
   NodeRenamingMap node_rename_remove_map_;
 
   // The observers.
   base::ObserverList<Observer> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(PartnerBookmarksShim);
 };
 
 #endif  // CHROME_BROWSER_ANDROID_BOOKMARKS_PARTNER_BOOKMARKS_SHIM_H_