Port messages sent by WebIDBFactoryImpl to Mojo.

content/child/indexed_db/indexed_db_database_callbacks_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/child/indexed_db/indexed_db_database_callbacks_impl.h"
+
+#include "content/child/indexed_db/indexed_db_dispatcher.h"
+#include "content/child/thread_safe_sender.h"
+#include "third_party/WebKit/public/platform/modules/indexeddb/WebIDBDatabaseCallbacks.h"
+#include "third_party/WebKit/public/platform/modules/indexeddb/WebIDBDatabaseError.h"
+
+using blink::WebIDBDatabaseCallbacks;
+
+namespace content {
+
+namespace {
+
+void DeleteDatabaseCallbacks(
+    WebIDBDatabaseCallbacks* callbacks,
+    scoped_refptr<ThreadSafeSender> thread_safe_sender) {
+  IndexedDBDispatcher* dispatcher =
+      IndexedDBDispatcher::ThreadSpecificInstance(thread_safe_sender.get());
+  dispatcher->UnregisterMojoOwnedDatabaseCallbacks(callbacks);
+  delete callbacks;
+}
+
+}  // namespace
+
+IndexedDBDatabaseCallbacksImpl::IndexedDBDatabaseCallbacksImpl(
+    WebIDBDatabaseCallbacks* callbacks,
+    scoped_refptr<ThreadSafeSender> thread_safe_sender)
+    : callback_runner_(base::ThreadTaskRunnerHandle::Get()),
+      thread_safe_sender_(thread_safe_sender),
+      callbacks_(callbacks) {
+  IndexedDBDispatcher* dispatcher =
+      IndexedDBDispatcher::ThreadSpecificInstance(thread_safe_sender_.get());
+  dispatcher->RegisterMojoOwnedDatabaseCallbacks(callbacks_);
+}
+
+IndexedDBDatabaseCallbacksImpl::~IndexedDBDatabaseCallbacksImpl() {
+  callback_runner_->PostTask(
+      FROM_HERE,
+      base::Bind(&DeleteDatabaseCallbacks, callbacks_, thread_safe_sender_));

[dcheng, 2016/10/19 23:44:02]

Nit: If thread_safe_sender is wrapped with base::RetainedRef, then
DeleteDatabaseCallbacks can just take a raw pointer (and save a ref / unref)

[Reilly Grant (use Gerrit), 2016/10/20 01:46:18]

Done.

+}
+
+void IndexedDBDatabaseCallbacksImpl::ForcedClose() {
+  callback_runner_->PostTask(FROM_HERE,
+                             base::Bind(&WebIDBDatabaseCallbacks::onForcedClose,
+                                        base::Unretained(callbacks_)));
+}
+
+void IndexedDBDatabaseCallbacksImpl::VersionChange(int64_t old_version,
+                                                   int64_t new_version) {
+  callback_runner_->PostTask(
+      FROM_HERE,
+      base::Bind(&WebIDBDatabaseCallbacks::onVersionChange,
+                 base::Unretained(callbacks_), old_version, new_version));
+}
+
+void IndexedDBDatabaseCallbacksImpl::Abort(int64_t transaction_id,
+                                           int32_t code,
+                                           const base::string16& message) {
+  callback_runner_->PostTask(
+      FROM_HERE, base::Bind(&WebIDBDatabaseCallbacks::onAbort,
+                            base::Unretained(callbacks_), transaction_id,
+                            blink::WebIDBDatabaseError(code, message)));
+}
+
+void IndexedDBDatabaseCallbacksImpl::Complete(int64_t transaction_id) {
+  callback_runner_->PostTask(
+      FROM_HERE, base::Bind(&WebIDBDatabaseCallbacks::onComplete,
+                            base::Unretained(callbacks_), transaction_id));
+}
+
+}  // namespace content