Upstream Chrome on iOS source code [5/11].

ios/chrome/browser/ui/history/history_entry.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 IOS_CHROME_BROWSER_UI_HISTORY_HISTORY_ENTRY_H_
+#define IOS_CHROME_BROWSER_UI_HISTORY_HISTORY_ENTRY_H_
+
+#include <set>
+#include <string>
+
+#include "base/strings/string16.h"
+#include "base/time/time.h"
+#include "url/gurl.h"
+
+namespace history {
+
+// Represents a history entry to be shown to the user, representing either
+// a local or remote visit. A single entry can represent multiple visits,
+// since only the most recent visit on a particular day is shown.
+struct HistoryEntry {
+  // Values indicating whether an entry represents only local visits, only
+  // remote visits, or a mixture of both.
+  enum EntryType { EMPTY_ENTRY = 0, LOCAL_ENTRY, REMOTE_ENTRY, COMBINED_ENTRY };
+
+  HistoryEntry(EntryType type,
+               const GURL& url,
+               const base::string16& title,
+               base::Time time,
+               const std::string& client_id,
+               bool is_search_result,
+               const base::string16& snippet,
+               bool blocked_visit);
+  HistoryEntry();
+  HistoryEntry(const HistoryEntry&);
+  ~HistoryEntry();
+
+  // Comparison function for sorting HistoryEntries from newest to oldest.
+  static bool SortByTimeDescending(const HistoryEntry& entry1,
+                                   const HistoryEntry& entry2);
+
+  // The type of visits this entry represents: local, remote, or both.
+  EntryType entry_type;
+
+  // URL of the entry.
+  GURL url;
+
+  // Title of the entry. May be empty.
+  base::string16 title;
+
+  // Time of the entry. Usually this will be the time of the most recent
+  // visit to |url| on a particular day as defined in the local timezone.
+  base::Time time;
+
+  // Sync ID of the client on which the most recent visit occurred.
+  std::string client_id;
+
+  // Timestamps of all local or remote visits to the same URL on the same day.
+  std::set<int64_t> all_timestamps;
+
+  // If true, this entry is a history query result.
+  bool is_search_result;
+
+  // The entry's search snippet, if this entry is a history query result.
+  base::string16 snippet;
+
+  // Whether this entry was blocked when it was attempted.
+  bool blocked_visit;
+};
+}  // namespace history
+
+#endif  // IOS_CHROME_BROWSER_UI_HISTORY_HISTORY_ENTRY_H_