Read and restore persisted slice info

chrome/browser/ntp_snippets/fake_download_item.cc

 // 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.
 
 #include "chrome/browser/ntp_snippets/fake_download_item.h"
 
 #include "base/bind.h"
 
 using content::DownloadItem;
 
@@ skipping 308 matching lines @@
 int64_t FakeDownloadItem::GetTotalBytes() const {
   NOTREACHED();
   return 1;
 }
 
 int64_t FakeDownloadItem::GetReceivedBytes() const {
   NOTREACHED();
   return 1;
 }
 
+const std::vector<DownloadItem::ReceivedSlice>&
+FakeDownloadItem::GetReceivedSlices() const {
+  NOTREACHED();
+  static const std::vector<DownloadItem::ReceivedSlice> slices;
+  return slices;
+}
+
 bool FakeDownloadItem::CanShowInFolder() {
   NOTREACHED();
   return true;
 }
 
 bool FakeDownloadItem::CanOpenDownload() {
   NOTREACHED();
   return true;
 }
 
@@ skipping 43 matching lines @@
 void FakeDownloadItem::SetDisplayName(const base::FilePath& name) {
   NOTREACHED();
 }
 
 std::string FakeDownloadItem::DebugString(bool verbose) const {
   NOTREACHED();
   return std::string();
 }
 
 }  // namespace test