IndexedDB: Re-enable leveldb manifest reuse.

content/browser/indexed_db/leveldb/leveldb_database.cc

 // Copyright (c) 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 "content/browser/indexed_db/leveldb/leveldb_database.h"
 
 #include <cerrno>
 
 #include "base/basictypes.h"
 #include "base/files/file.h"
@@ skipping 85 matching lines @@
     leveldb::Env* env,
     const base::FilePath& path,
     leveldb::DB** db,
     scoped_ptr<const leveldb::FilterPolicy>* filter_policy) {
   filter_policy->reset(leveldb::NewBloomFilterPolicy(10));
   leveldb::Options options;
   options.comparator = comparator;
   options.create_if_missing = true;
   options.paranoid_checks = true;
   options.filter_policy = filter_policy->get();
-  options.reuse_logs = false;
+  options.reuse_logs = true;
   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;
   options.env = env;
 
   // ChromiumEnv assumes UTF8, converts back to FilePath before using.
   leveldb::Status s = leveldb::DB::Open(options, path.AsUTF8Unsafe(), db);
 
@@ skipping 312 matching lines @@
   const leveldb::Slice start_slice = MakeSlice(start);
   const leveldb::Slice stop_slice = MakeSlice(stop);
   // NULL batch means just wait for earlier writes to be done
   db_->Write(leveldb::WriteOptions(), NULL);
   db_->CompactRange(&start_slice, &stop_slice);
 }
 
 void LevelDBDatabase::CompactAll() { db_->CompactRange(NULL, NULL); }
 
 }  // namespace content