[Storage] Blob Storage Refactoring pt 1

storage/browser/fileapi/file_system_operation_runner.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 "storage/browser/fileapi/file_system_operation_runner.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/stl_util.h"
 #include "net/url_request/url_request_context.h"
@@ skipping 220 matching lines @@
   operation->Remove(
       url, recursive,
       base::Bind(&FileSystemOperationRunner::DidFinish, AsWeakPtr(),
                  handle, callback));
   return handle.id;
 }
 
 OperationID FileSystemOperationRunner::Write(
     const net::URLRequestContext* url_request_context,
     const FileSystemURL& url,
-    scoped_ptr<storage::BlobDataHandle> blob,
+    scoped_ptr<storage::BlobDataSnapshotHandle> blob,
     int64 offset,
     const WriteCallback& callback) {
   base::File::Error error = base::File::FILE_OK;
   FileSystemOperation* operation =
       file_system_context_->CreateFileSystemOperation(url, &error);
 
   BeginOperationScoper scope;
   OperationHandle handle = BeginOperation(operation, scope.AsWeakPtr());
   if (!operation) {
     DidWrite(handle, callback, error, 0, true);
@@ skipping 429 matching lines @@
       stray_cancel_callbacks_.find(id);
   if (found_cancel != stray_cancel_callbacks_.end()) {
     // This cancel has been requested after the operation has finished,
     // so report that we failed to stop it.
     found_cancel->second.Run(base::File::FILE_ERROR_INVALID_OPERATION);
     stray_cancel_callbacks_.erase(found_cancel);
   }
 }
 
 }  // namespace storage