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

ppapi/proxy/flash_font_file_resource.cc

 // Copyright (c) 2012 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 "ppapi/proxy/flash_font_file_resource.h"
 
 #include <cstring>
 
 #include "base/memory/ptr_util.h"
 #include "ppapi/c/pp_errors.h"
@@ skipping 55 matching lines @@
 
 const std::string* FlashFontFileResource::GetFontTable(uint32_t table) const {
   FontTableMap::const_iterator found = font_tables_.find(table);
   return (found != font_tables_.end()) ? found->second : nullptr;
 }
 
 const std::string* FlashFontFileResource::AddFontTable(
     uint32_t table,
     const std::string& contents) {
   FontTableMap::const_iterator it =
-      font_tables_.set(table, base::WrapUnique(new std::string(contents)));
+      font_tables_.set(table, base::MakeUnique<std::string>(contents));
   return it->second;
 }
 
 }  // namespace proxy
 }  // namespace ppapi