[Storage] Blob Storage Refactoring pt 1

chrome/browser/sync_file_system/local/canned_syncable_file_system.cc

 // Copyright 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 "chrome/browser/sync_file_system/local/canned_syncable_file_system.h"
 
 #include <algorithm>
 #include <iterator>
 
 #include "base/bind.h"
@@ skipping 451 matching lines @@
       FROM_HERE,
       base::Bind(&CannedSyncableFileSystem::DoReadDirectory,
                  base::Unretained(this),
                  url,
                  entries));
 }
 
 int64 CannedSyncableFileSystem::Write(
     net::URLRequestContext* url_request_context,
     const FileSystemURL& url,
-    scoped_ptr<storage::BlobDataHandle> blob_data_handle) {
+    scoped_ptr<storage::BlobDataSnapshotHandle> blob_data_handle) {
   return RunOnThread<int64>(io_task_runner_.get(),
                             FROM_HERE,
                             base::Bind(&CannedSyncableFileSystem::DoWrite,
                                        base::Unretained(this),
                                        url_request_context,
                                        url,
                                        base::Passed(&blob_data_handle)));
 }
 
 int64 CannedSyncableFileSystem::WriteString(
@@ skipping 197 matching lines @@
     const StatusCallback& callback) {
   EXPECT_TRUE(io_task_runner_->RunsTasksOnCurrentThread());
   EXPECT_TRUE(is_filesystem_opened_);
   operation_runner()->ReadDirectory(
       url, base::Bind(&OnReadDirectory, entries, callback));
 }
 
 void CannedSyncableFileSystem::DoWrite(
     net::URLRequestContext* url_request_context,
     const FileSystemURL& url,
-    scoped_ptr<storage::BlobDataHandle> blob_data_handle,
+    scoped_ptr<storage::BlobDataSnapshotHandle> blob_data_handle,
     const WriteCallback& callback) {
   EXPECT_TRUE(io_task_runner_->RunsTasksOnCurrentThread());
   EXPECT_TRUE(is_filesystem_opened_);
   WriteHelper* helper = new WriteHelper;
   operation_runner()->Write(url_request_context, url,
                             blob_data_handle.Pass(), 0,
                             base::Bind(&WriteHelper::DidWrite,
                                        base::Owned(helper), callback));
 }
 
@@ skipping 56 matching lines @@
   sync_status_ = status;
   quit_closure.Run();
 }
 
 void CannedSyncableFileSystem::InitializeSyncStatusObserver() {
   ASSERT_TRUE(io_task_runner_->RunsTasksOnCurrentThread());
   backend()->sync_context()->sync_status()->AddObserver(this);
 }
 
 }  // namespace sync_file_system