Create ShareableFileReference on IO thread

webkit/fileapi/local_file_system_operation.cc

 // Copyright (c) 2012 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/fileapi/local_file_system_operation.h"
 
 #include "base/bind.h"
 #include "base/sequenced_task_runner.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "net/base/escape.h"
 #include "net/url_request/url_request_context.h"
 #include "webkit/blob/shareable_file_reference.h"
 #include "webkit/fileapi/file_system_context.h"
 #include "webkit/fileapi/file_system_file_util_proxy.h"
 #include "webkit/fileapi/file_system_mount_point_provider.h"
 #include "webkit/fileapi/file_system_operation_context.h"
 #include "webkit/fileapi/file_system_quota_util.h"
 #include "webkit/fileapi/file_system_types.h"
 #include "webkit/fileapi/file_system_url.h"
 #include "webkit/fileapi/file_system_util.h"
 #include "webkit/fileapi/file_writer_delegate.h"
 #include "webkit/fileapi/sandbox_file_stream_writer.h"
 #include "webkit/quota/quota_manager.h"
 #include "webkit/quota/quota_types.h"
 
+using webkit_blob::ShareableFileReference;
+
 namespace fileapi {
 
 class LocalFileSystemOperation::ScopedQuotaNotifier {
  public:
   ScopedQuotaNotifier(FileSystemContext* context,
                       const GURL& origin_url,
                       FileSystemType type);
   ~ScopedQuotaNotifier();
 
  private:
@@ skipping 632 matching lines @@
   if (rv == base::PLATFORM_FILE_OK)
     CHECK_NE(base::kNullProcessHandle, peer_handle_);
   callback.Run(rv, file.ReleaseValue(), peer_handle_);
 }
 
 void LocalFileSystemOperation::DidCreateSnapshotFile(
     const SnapshotFileCallback& callback,
     base::PlatformFileError result,
     const base::PlatformFileInfo& file_info,
     const FilePath& platform_path,
-    const scoped_refptr<webkit_blob::ShareableFileReference>& file_ref) {
+    FileSystemFileUtil::SnapshotFilePolicy snapshot_policy) {
+  scoped_refptr<ShareableFileReference> file_ref;
+  if (result == base::PLATFORM_FILE_OK &&
+      snapshot_policy == FileSystemFileUtil::kSnapshotFileTemporary) {
+    file_ref = ShareableFileReference::GetOrCreate(
+        platform_path, ShareableFileReference::DELETE_ON_FINAL_RELEASE,
+        file_system_context()->file_task_runner());
+  }
   callback.Run(result, file_info, platform_path, file_ref);
 }
 
 base::PlatformFileError LocalFileSystemOperation::SetUp(
     const FileSystemURL& url,
     FileSystemFileUtil** file_util,
     SetUpMode mode) {
   if (!url.is_valid())
     return base::PLATFORM_FILE_ERROR_INVALID_URL;
 
@@ skipping 42 matching lines @@
 }
 
 bool LocalFileSystemOperation::SetPendingOperationType(OperationType type) {
   if (pending_operation_ != kOperationNone)
     return false;
   pending_operation_ = type;
   return true;
 }
 
 }  // namespace fileapi