Initial checkin of OfflineContentProvider.

components/offline_items_collection/core/offline_item.cc

+// Copyright 2017 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.
+
+#include "components/offline_items_collection/core/offline_item.h"
+
+namespace offline_items_collection {
+
+ContentId::ContentId() = default;
+
+ContentId::ContentId(const ContentId& other)

[dcheng, 2017/03/03 08:59:45]

Or just = default this too.

[David Trainor- moved to gerrit, 2017/03/03 09:42:01]

Done.

+    : name_space(other.name_space), id(other.id) {}
+
+ContentId::ContentId(const std::string& name_space, const std::string& id)
+    : name_space(name_space), id(id) {}
+
+ContentId::~ContentId() = default;
+
+bool ContentId::operator==(const ContentId& content_id) const {
+  return name_space == content_id.name_space && id == content_id.id;
+}
+
+bool ContentId::operator<(const ContentId& content_id) const {
+  if (name_space == content_id.name_space)

[dcheng, 2017/03/03 08:59:45]

return std::tie(name_space, id) < std::tie(content_id.name_space,
content_id.id);

[David Trainor- moved to gerrit, 2017/03/03 09:42:00]

Done.

+    return id < content_id.id;
+  return name_space < content_id.name_space;
+}
+
+OfflineItem::OfflineItem()
+    : filter(OfflineItemFilter::FILTER_OTHER),
+      total_size_bytes(0),
+      externally_removed(false),
+      is_off_the_record(false),
+      state(OfflineItemState::COMPLETE),
+      is_resumable(false),
+      received_bytes(0),
+      percent_completed(0),
+      time_remaining_ms(0) {}
+
+OfflineItem::OfflineItem(const OfflineItem& other)

[dcheng, 2017/03/03 08:59:45]

Ditto: = default will save a lot of typing here.

[David Trainor- moved to gerrit, 2017/03/03 09:42:00]

Done.

+    : id(other.id),
+      title(other.title),
+      description(other.description),
+      filter(other.filter),
+      total_size_bytes(other.total_size_bytes),
+      externally_removed(other.externally_removed),
+      creation_time(other.creation_time),
+      last_accessed_time(other.last_accessed_time),
+      page_url(other.page_url),
+      original_url(other.original_url),
+      is_off_the_record(other.is_off_the_record),
+      state(other.state),
+      is_resumable(other.is_resumable),
+      received_bytes(other.received_bytes),
+      percent_completed(other.percent_completed),
+      time_remaining_ms(other.time_remaining_ms) {}
+
+OfflineItem::OfflineItem(const ContentId& id) : OfflineItem() {
+  this->id = id;
+}
+
+OfflineItem::~OfflineItem() = default;
+
+bool OfflineItem::operator==(const OfflineItem& offline_item) const {
+  return id == offline_item.id && title == offline_item.title &&
+         description == offline_item.description &&
+         filter == offline_item.filter &&
+         total_size_bytes == offline_item.total_size_bytes &&
+         externally_removed == offline_item.externally_removed &&
+         creation_time == offline_item.creation_time &&
+         last_accessed_time == offline_item.last_accessed_time &&
+         page_url == offline_item.page_url &&
+         original_url == offline_item.original_url &&
+         is_off_the_record == offline_item.is_off_the_record &&
+         state == offline_item.state &&
+         is_resumable == offline_item.is_resumable &&
+         received_bytes == offline_item.received_bytes &&
+         percent_completed == offline_item.percent_completed &&
+         time_remaining_ms == offline_item.time_remaining_ms;
+}
+
+}  // namespace offline_items_collection