Switch LevelDBWrapper::GetAll to use the new Mojo sync IPC mechanism.

content/browser/level_db_wrapper_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 "content/browser/level_db_wrapper_impl.h"
-
-#include "base/bind.h"
-
-namespace content {
-
-LevelDBWrapperImpl::LevelDBWrapperImpl(
-    const std::string& prefix, const base::Closure& no_bindings_callback)
-    : prefix_(prefix), no_bindings_callback_(no_bindings_callback) {
-  bindings_.set_connection_error_handler(base::Bind(
-      &LevelDBWrapperImpl::OnConnectionError, base::Unretained(this)));
-}
-
-void LevelDBWrapperImpl::Bind(mojo::InterfaceRequest<LevelDBWrapper> request,
-                              LevelDBObserverPtr observer) {
-  // TODO(jam): store observer and call it when changes occur.
-  bindings_.AddBinding(this, std::move(request));
-}
-
-LevelDBWrapperImpl::~LevelDBWrapperImpl() {
-  no_bindings_callback_.Run();
-}
-
-void LevelDBWrapperImpl::Put(mojo::Array<uint8_t> key,
-                             mojo::Array<uint8_t> value,
-                             const mojo::String& source,
-                             const PutCallback& callback) {
-}
-
-void LevelDBWrapperImpl::Delete(mojo::Array<uint8_t> key,
-                                const mojo::String& source,
-                                const DeleteCallback& callback) {
-}
-
-void LevelDBWrapperImpl::DeleteAll(const mojo::String& source,
-                                   const DeleteAllCallback& callback) {
-}
-
-void LevelDBWrapperImpl::Get(mojo::Array<uint8_t> key,
-                             const GetCallback& callback) {
-}
-
-void LevelDBWrapperImpl::GetAll(const GetAllCallback& callback) {
-}
-
-void LevelDBWrapperImpl::OnConnectionError() {
-  if (!bindings_.empty())
-    return;
-
-  no_bindings_callback_.Run();
-}
-
-}  // namespace content