Cleanup Chrome's LevelDB env to conform to C++ style guidelines.

third_party/leveldatabase/env_chromium_win.h

 // Copyright (c) 2013 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file. See the AUTHORS file for names of contributors.
 
 #ifndef THIRD_PARTY_LEVELDATABASE_ENV_CHROMIUM_WIN_H_
 #define THIRD_PARTY_LEVELDATABASE_ENV_CHROMIUM_WIN_H_
 
-#include "env_chromium.h"
+#include <string>
+#include <vector>
+
+#include "third_parth/leveldatabase/env_chromium.h"
 
 namespace leveldb_env {
 
 leveldb::Status MakeIOErrorWin(leveldb::Slice filename,
                                  const std::string& message,
                                  MethodID method,
                                  DWORD err);
 
 class ChromiumWritableFileWin : public leveldb::WritableFile {
  public:
@@ skipping 50 matching lines @@
   void BGThread();
   static void BGThreadWrapper(void* arg) {
     reinterpret_cast<ChromiumEnvWin*>(arg)->BGThread();
   }
   void RecordOpenFilesLimit(const std::string& type);
   virtual void RecordOSError(MethodID method, DWORD err) const;
 };
 
 }  // namespace leveldb_env
 
-#endif
+#endif  // THIRD_PARTY_LEVELDATABASE_ENV_CHROMIUM_WIN_H_