[FileAPI] Remove Flush() on write completion on SandboxFileSystems

content/browser/indexed_db/indexed_db_backing_store.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 "content/browser/indexed_db/indexed_db_backing_store.h"
 
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/format_macros.h"
 #include "base/json/json_reader.h"
@@ skipping 1954 matching lines @@
 
   void writeBlobToFileOnIOThread(const FilePath& file_path,
                                  const GURL& blob_url,
                                  net::URLRequestContext* request_context) {
     DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
     scoped_ptr<fileapi::FileStreamWriter> writer(
         fileapi::FileStreamWriter::CreateForLocalFile(
             task_runner_, file_path, 0,
             fileapi::FileStreamWriter::CREATE_NEW_FILE));
     scoped_ptr<FileWriterDelegate> delegate(
-        new FileWriterDelegate(writer.Pass()));
+        new FileWriterDelegate(writer.Pass(),
+                               FileWriterDelegate::FLUSH_ON_COMPLETION));
 
     DCHECK(blob_url.is_valid());
     scoped_ptr<net::URLRequest> blob_request(request_context->CreateRequest(
         blob_url, net::DEFAULT_PRIORITY, delegate.get(), NULL));
 
     delegate->Start(blob_request.Pass(),
                     base::Bind(&LocalWriteClosure::Run, this));
     chained_blob_writer_->set_delegate(delegate.Pass());
   }
 
@@ skipping 1547 matching lines @@
     const GURL& url,
     int64_t key)
     : is_file_(false), url_(url), key_(key) {}
 
 IndexedDBBackingStore::Transaction::WriteDescriptor::WriteDescriptor(
     const FilePath& file_path,
     int64_t key)
     : is_file_(true), file_path_(file_path), key_(key) {}
 
 }  // namespace content