IndexedDB: Sprinkle DISALLOW_COPY_AND_ASSIGN where appropriate

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 106 matching lines @@
 
 namespace {
 class LockImpl : public LevelDBLock {
  public:
   explicit LockImpl(leveldb::Env* env, leveldb::FileLock* lock)
       : env_(env), lock_(lock) {}
   virtual ~LockImpl() { env_->UnlockFile(lock_); }
  private:
   leveldb::Env* env_;
   leveldb::FileLock* lock_;
+
+  DISALLOW_COPY_AND_ASSIGN(LockImpl);
 };
 }
 
 scoped_ptr<LevelDBLock> LevelDBDatabase::LockForTesting(
     const base::FilePath& file_name) {
   leveldb::Env* env = leveldb::IDBEnv();
   base::FilePath lock_path = file_name.AppendASCII("LOCK");
   leveldb::FileLock* lock = NULL;
   leveldb::Status status = env->LockFile(lock_path.AsUTF8Unsafe(), &lock);
   if (!status.ok())
@@ skipping 247 matching lines @@
   virtual leveldb::Status Prev() OVERRIDE;
   virtual StringPiece Key() const OVERRIDE;
   virtual StringPiece Value() const OVERRIDE;
 
  private:
   friend class content::LevelDBDatabase;
   explicit IteratorImpl(scoped_ptr<leveldb::Iterator> iterator);
   void CheckStatus();
 
   scoped_ptr<leveldb::Iterator> iterator_;
+
+  DISALLOW_COPY_AND_ASSIGN(IteratorImpl);
 };
 }
 
 IteratorImpl::IteratorImpl(scoped_ptr<leveldb::Iterator> it)
     : iterator_(it.Pass()) {}
 
 void IteratorImpl::CheckStatus() {
   const leveldb::Status& s = iterator_->status();
   if (!s.ok())
     LOG(ERROR) << "LevelDB iterator error: " << s.ToString();
@@ skipping 55 matching lines @@
 void LevelDBDatabase::Compact(const base::StringPiece& start,
                               const base::StringPiece& stop) {
   const leveldb::Slice start_slice = MakeSlice(start);
   const leveldb::Slice stop_slice = MakeSlice(stop);
   db_->CompactRange(&start_slice, &stop_slice);
 }
 
 void LevelDBDatabase::CompactAll() { db_->CompactRange(NULL, NULL); }
 
 }  // namespace content