[Bookmark suggestions] Clean-up in the api: switch const* to const&

components/ntp_snippets/bookmarks/bookmark_last_visit_utils.h

 // Copyright 2016 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_NTP_SNIPPETS_BOOKMARKS_BOOKMARK_LAST_VISIT_UTILS_H_
 #define COMPONENTS_NTP_SNIPPETS_BOOKMARKS_BOOKMARK_LAST_VISIT_UTILS_H_
 
 #include <vector>
 
 class GURL;
@@ skipping 20 matching lines @@
 
 // Reads the last visit date for a given bookmark |node|. On success, |out| is
 // set to the extracted time and 'true' is returned. Otherwise returns false
 // which also includes the case that the bookmark was dismissed from the NTP.
 // As visits, we primarily understand visits on Android (the visit when the
 // bookmark is created also counts). Visits on desktop platforms are considered
 // only if |consider_visits_from_desktop|. If no info about last visit date is
 // present and |creation_date_fallback| is true, the date when the bookmarks is
 // created is used as the alst visit date (most likely, it is the date when the
 // bookmark was synced to this device).
-bool GetLastVisitDateForNTPBookmark(const bookmarks::BookmarkNode* node,
+bool GetLastVisitDateForNTPBookmark(const bookmarks::BookmarkNode& node,
                                     bool creation_date_fallback,
                                     bool consider_visits_from_desktop,
                                     base::Time* out);
 
 // Marks all bookmarks with the given URL as dismissed.
 void MarkBookmarksDismissed(bookmarks::BookmarkModel* bookmark_model,
                             const GURL& url);
 
 // Gets the dismissed flag for a given bookmark |node|. Defaults to false.
-bool IsDismissedFromNTPForBookmark(const bookmarks::BookmarkNode* node);
+bool IsDismissedFromNTPForBookmark(const bookmarks::BookmarkNode& node);
 
 // Removes the dismissed flag from all bookmarks (only for debugging).
 void MarkAllBookmarksUndismissed(bookmarks::BookmarkModel* bookmark_model);
 
 // Returns the list of most recently visited, non-dismissed bookmarks.
 // For each bookmarked URL, it returns the most recently created bookmark.
 // The result is ordered by visit time (the most recent first). Only bookmarks
 // visited after |min_visit_time| are considered, at most |max_count| bookmarks
 // are returned. If this results into less than |min_count| bookmarks, the list
 // is filled up with older bookmarks sorted by their last visit / creation date.
@@ skipping 11 matching lines @@
 // Returns the list of all dismissed bookmarks. Only used for debugging.
 std::vector<const bookmarks::BookmarkNode*> GetDismissedBookmarksForDebugging(
     bookmarks::BookmarkModel* bookmark_model);
 
 // Removes last visited date metadata for all bookmarks.
 void RemoveAllLastVisitDates(bookmarks::BookmarkModel* bookmark_model);
 
 }  // namespace ntp_snippets
 
 #endif  // COMPONENTS_NTP_SNIPPETS_BOOKMARKS_BOOKMARK_LAST_VISIT_UTILS_H_