Migrate webkit/browser/ to storage/browser/

webkit/browser/blob/blob_url_request_job_factory.cc

-// Copyright (c) 2011 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_url_request_job_factory.h"
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/message_loop/message_loop_proxy.h"
-#include "base/strings/string_util.h"
-#include "net/base/request_priority.h"
-#include "net/url_request/url_request_context.h"
-#include "net/url_request/url_request_job_factory.h"
-#include "webkit/browser/blob/blob_data_handle.h"
-#include "webkit/browser/blob/blob_storage_context.h"
-#include "webkit/browser/blob/blob_url_request_job.h"
-#include "webkit/browser/fileapi/file_system_context.h"
-
-namespace storage {
-
-namespace {
-
-int kUserDataKey;  // The value is not important, the addr is a key.
-
-BlobDataHandle* GetRequestedBlobDataHandle(net::URLRequest* request) {
-  return static_cast<BlobDataHandle*>(request->GetUserData(&kUserDataKey));
-}
-
-}  // namespace
-
-// static
-scoped_ptr<net::URLRequest> BlobProtocolHandler::CreateBlobRequest(
-    scoped_ptr<BlobDataHandle> blob_data_handle,
-    const net::URLRequestContext* request_context,
-    net::URLRequest::Delegate* request_delegate) {
-  const GURL kBlobUrl("blob://see_user_data/");
-  scoped_ptr<net::URLRequest> request = request_context->CreateRequest(
-      kBlobUrl, net::DEFAULT_PRIORITY, request_delegate, NULL);
-  SetRequestedBlobDataHandle(request.get(), blob_data_handle.Pass());
-  return request.Pass();
-}
-
-// static
-void BlobProtocolHandler::SetRequestedBlobDataHandle(
-    net::URLRequest* request,
-    scoped_ptr<BlobDataHandle> blob_data_handle) {
-  request->SetUserData(&kUserDataKey, blob_data_handle.release());
-}
-
-BlobProtocolHandler::BlobProtocolHandler(
-    BlobStorageContext* context,
-    storage::FileSystemContext* file_system_context,
-    const scoped_refptr<base::MessageLoopProxy>& loop_proxy)
-    : file_system_context_(file_system_context), file_loop_proxy_(loop_proxy) {
-  if (context)
-    context_ = context->AsWeakPtr();
-}
-
-BlobProtocolHandler::~BlobProtocolHandler() {
-}
-
-net::URLRequestJob* BlobProtocolHandler::MaybeCreateJob(
-    net::URLRequest* request, net::NetworkDelegate* network_delegate) const {
-  return new storage::BlobURLRequestJob(request,
-                                        network_delegate,
-                                        LookupBlobData(request),
-                                        file_system_context_.get(),
-                                        file_loop_proxy_.get());
-}
-
-scoped_refptr<storage::BlobData> BlobProtocolHandler::LookupBlobData(
-    net::URLRequest* request) const {
-  BlobDataHandle* blob_data_handle = GetRequestedBlobDataHandle(request);
-  if (blob_data_handle)
-    return blob_data_handle->data();
-  if (!context_.get())
-    return NULL;
-
-  // Support looking up based on uuid, the FeedbackExtensionAPI relies on this.
-  // TODO(michaeln): Replace this use case and others like it with a BlobReader
-  // impl that does not depend on urlfetching to perform this function.
-  const std::string kPrefix("blob:uuid/");
-  if (!StartsWithASCII(request->url().spec(), kPrefix, true))
-    return NULL;
-  std::string uuid = request->url().spec().substr(kPrefix.length());
-  scoped_ptr<BlobDataHandle> handle = context_->GetBlobDataFromUUID(uuid);
-  return handle.get() ? handle->data() : NULL;
-}
-
-}  // namespace storage