[part 1] Make classes and structures in modules/ fast-allocated.

Source/modules/filesystem/HTMLInputElementFileSystem.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 58 matching lines @@
         // The dropped entries are mapped as top-level entries in the isolated filesystem.
         String virtualPath = DOMFilePath::append("/", file->name());
         if (metadata.type == FileMetadata::TypeDirectory)
             entries.append(DirectoryEntry::create(filesystem, virtualPath));
         else
             entries.append(FileEntry::create(filesystem, virtualPath));
     }
     return entries;
 }
 
-HTMLInputElementFileSystem::HTMLInputElementFileSystem()
-{
-}
-
-HTMLInputElementFileSystem::~HTMLInputElementFileSystem()
-{
-}
-
 } // namespace blink