Re-write many calls to WrapUnique() with MakeUnique()

apps/saved_files_service.cc

 // 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.
 
 #include "apps/saved_files_service.h"
 
 #include <stdint.h>
 #include <algorithm>
 #include <map>
 #include <utility>
@@ skipping 298 matching lines @@
 SavedFilesService::SavedFiles::~SavedFiles() {}
 
 void SavedFilesService::SavedFiles::RegisterFileEntry(
     const std::string& id,
     const base::FilePath& file_path,
     bool is_directory) {
   if (ContainsKey(registered_file_entries_, id))
     return;
 
   registered_file_entries_.add(
-      id, base::WrapUnique(new SavedFileEntry(id, file_path, is_directory, 0)));
+      id, base::MakeUnique<SavedFileEntry>(id, file_path, is_directory, 0));
 }
 
 void SavedFilesService::SavedFiles::EnqueueFileEntry(const std::string& id) {
   auto it = registered_file_entries_.find(id);
   DCHECK(it != registered_file_entries_.end());
 
   SavedFileEntry* file_entry = it->second;
   int old_sequence_number = file_entry->sequence_number;
   if (!saved_file_lru_.empty()) {
     // Get the sequence number after the last file entry in the LRU.
@@ skipping 112 matching lines @@
 void SavedFilesService::SetLruSizeForTest(int size) {
   g_max_saved_file_entries = size;
 }
 
 // static
 void SavedFilesService::ClearLruSizeForTest() {
   g_max_saved_file_entries = kMaxSavedFileEntries;
 }
 
 }  // namespace apps