Revert of mojo: Get mojo:leveldb and mojo:filesystem compiled into content.

components/leveldb/leveldb_service_impl.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 "components/leveldb/leveldb_service_impl.h"
-
-#include "components/leveldb/env_mojo.h"
-#include "components/leveldb/leveldb_database_impl.h"
-#include "components/leveldb/util.h"
-#include "third_party/leveldatabase/env_chromium.h"
-#include "third_party/leveldatabase/src/include/leveldb/db.h"
-#include "third_party/leveldatabase/src/include/leveldb/env.h"
-#include "third_party/leveldatabase/src/include/leveldb/filter_policy.h"
-#include "third_party/leveldatabase/src/include/leveldb/slice.h"
-
-namespace leveldb {
-
-LevelDBServiceImpl::LevelDBServiceImpl()
-    : thread_(new LevelDBFileThread) {
-}
-
-LevelDBServiceImpl::~LevelDBServiceImpl() {}
-
-void LevelDBServiceImpl::Open(filesystem::DirectoryPtr directory,
-                              const mojo::String& dbname,
-                              mojo::InterfaceRequest<LevelDBDatabase> database,
-                              const OpenCallback& callback) {
-  // This is the place where we open a database.
-  leveldb::Options options;
-  options.create_if_missing = true;
-  options.paranoid_checks = true;
-  // TODO(erg): Do we need a filter policy?
-  options.reuse_logs = leveldb_env::kDefaultLogReuseOptionValue;
-  options.compression = leveldb::kSnappyCompression;
-
-  // For info about the troubles we've run into with this parameter, see:
-  // https://code.google.com/p/chromium/issues/detail?id=227313#c11
-  options.max_open_files = 80;
-
-  // Register our directory with the file thread.
-  LevelDBFileThread::OpaqueDir* dir =
-      thread_->RegisterDirectory(std::move(directory));
-
-  scoped_ptr<MojoEnv> env_mojo(new MojoEnv(thread_, dir));
-  options.env = env_mojo.get();
-
-  leveldb::DB* db = nullptr;
-  leveldb::Status s = leveldb::DB::Open(options, dbname.To<std::string>(), &db);
-
-  if (s.ok()) {
-    new LevelDBDatabaseImpl(std::move(database), std::move(env_mojo),
-                            scoped_ptr<leveldb::DB>(db));
-  }
-
-  callback.Run(LeveldbStatusToError(s));
-}
-
-}  // namespace leveldb