[Leveldb] Use std::{string,vector} instead of mojo::{String,Array}.

components/leveldb/leveldb_database_impl.h

 // 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.
 
 #ifndef COMPONENTS_LEVELDB_LEVELDB_DATABASE_IMPL_H_
 #define COMPONENTS_LEVELDB_LEVELDB_DATABASE_IMPL_H_
 
 #include <memory>
 
 #include "components/leveldb/public/interfaces/leveldb.mojom.h"
 #include "mojo/public/cpp/bindings/interface_request.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 #include "third_party/leveldatabase/src/include/leveldb/db.h"
 
 namespace leveldb {
 
 class MojoEnv;
 
 // The backing to a database object that we pass to our called.
 class LevelDBDatabaseImpl : public mojom::LevelDBDatabase {
  public:
   LevelDBDatabaseImpl(leveldb::mojom::LevelDBDatabaseRequest request,
                       std::unique_ptr<leveldb::Env> environment,
                       std::unique_ptr<leveldb::DB> db);
   ~LevelDBDatabaseImpl() override;
 
   // Overridden from LevelDBDatabase:
-  void Put(mojo::Array<uint8_t> key,
-           mojo::Array<uint8_t> value,
+  void Put(const std::vector<uint8_t>& key,
+           const std::vector<uint8_t>& value,
            const PutCallback& callback) override;
-  void Delete(mojo::Array<uint8_t> key,
+  void Delete(const std::vector<uint8_t>& key,
               const DeleteCallback& callback) override;
-  void DeletePrefixed(mojo::Array<uint8_t> key_prefix,
+  void DeletePrefixed(const std::vector<uint8_t>& key_prefix,
                       const DeletePrefixedCallback& callback) override;
-  void Write(mojo::Array<mojom::BatchedOperationPtr> operations,
+  void Write(std::vector<mojom::BatchedOperationPtr> operations,
              const WriteCallback& callback) override;
-  void Get(mojo::Array<uint8_t> key, const GetCallback& callback) override;
-  void GetPrefixed(mojo::Array<uint8_t> key_prefix,
+  void Get(const std::vector<uint8_t>& key,
+           const GetCallback& callback) override;
+  void GetPrefixed(const std::vector<uint8_t>& key_prefix,
                    const GetPrefixedCallback& callback) override;
   void GetSnapshot(const GetSnapshotCallback& callback) override;
   void ReleaseSnapshot(uint64_t snapshot_id) override;
   void GetFromSnapshot(uint64_t snapshot_id,
-                       mojo::Array<uint8_t> key,
+                       const std::vector<uint8_t>& key,
                        const GetCallback& callback) override;
   void NewIterator(const NewIteratorCallback& callback) override;
   void NewIteratorFromSnapshot(uint64_t snapshot_id,
                                const NewIteratorCallback& callback) override;
   void ReleaseIterator(uint64_t iterator_id) override;
   void IteratorSeekToFirst(
       uint64_t iterator_id,
       const IteratorSeekToFirstCallback& callback) override;
   void IteratorSeekToLast(uint64_t iterator_id,
                           const IteratorSeekToLastCallback& callback) override;
   void IteratorSeek(uint64_t iterator_id,
-                    mojo::Array<uint8_t> target,
+                    const std::vector<uint8_t>& target,
                     const IteratorSeekToLastCallback& callback) override;
   void IteratorNext(uint64_t iterator_id,
                     const IteratorNextCallback& callback) override;
   void IteratorPrev(uint64_t iterator_id,
                     const IteratorPrevCallback& callback) override;
 
  private:
   // Returns the state of |it| to a caller. Note: This assumes that all the
   // iterator movement methods have the same callback signature. We don't
   // directly reference the underlying type in case of bindings change.
@@ skipping 15 matching lines @@
   // system, but this maybe should be fixed...
 
   std::map<uint64_t, Iterator*> iterator_map_;
 
   DISALLOW_COPY_AND_ASSIGN(LevelDBDatabaseImpl);
 };
 
 }  // namespace leveldb
 
 #endif  // COMPONENTS_LEVELDB_LEVELDB_DATABASE_IMPL_H_