Migrate webkit/browser/ to storage/browser/

webkit/browser/blob/blob_data_handle.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 "webkit/browser/blob/blob_data_handle.h"
-
-#include "base/bind.h"
-#include "base/location.h"
-#include "base/logging.h"
-#include "base/sequenced_task_runner.h"
-#include "webkit/browser/blob/blob_storage_context.h"
-#include "webkit/common/blob/blob_data.h"
-
-namespace storage {
-
-BlobDataHandle::BlobDataHandleShared::BlobDataHandleShared(
-    BlobData* blob_data,
-    BlobStorageContext* context,
-    base::SequencedTaskRunner* task_runner)
-    : blob_data_(blob_data),
-      context_(context->AsWeakPtr()) {
-  context_->IncrementBlobRefCount(blob_data->uuid());
-}
-
-BlobData* BlobDataHandle::BlobDataHandleShared::data() const {
-  return blob_data_.get();
-}
-
-const std::string& BlobDataHandle::BlobDataHandleShared::uuid() const {
-  return blob_data_->uuid();
-}
-
-BlobDataHandle::BlobDataHandleShared::~BlobDataHandleShared() {
-  if (context_.get())
-    context_->DecrementBlobRefCount(blob_data_->uuid());
-}
-
-BlobDataHandle::BlobDataHandle(BlobData* blob_data,
-                               BlobStorageContext* context,
-                               base::SequencedTaskRunner* task_runner)
-    : io_task_runner_(task_runner),
-      shared_(new BlobDataHandleShared(blob_data, context, task_runner)) {
-  DCHECK(io_task_runner_.get());
-  DCHECK(io_task_runner_->RunsTasksOnCurrentThread());
-}
-
-BlobDataHandle::BlobDataHandle(const BlobDataHandle& other) {
-  io_task_runner_ = other.io_task_runner_;
-  shared_ = other.shared_;
-}
-
-BlobDataHandle::~BlobDataHandle() {
-  BlobDataHandleShared* raw = shared_.get();
-  raw->AddRef();
-  shared_ = 0;
-  io_task_runner_->ReleaseSoon(FROM_HERE, raw);
-}
-
-BlobData* BlobDataHandle::data() const {
-  DCHECK(io_task_runner_->RunsTasksOnCurrentThread());
-  return shared_->data();
-}
-
-std::string BlobDataHandle::uuid() const {
-  return shared_->uuid();
-}
-
-}  // namespace storage