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

content/browser/fileapi/file_writer_delegate_unittest.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 <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 103 matching lines @@
       int64 offset,
       int64 allowed_growth) {
     fileapi::SandboxFileStreamWriter* writer =
         new fileapi::SandboxFileStreamWriter(
             file_system_context_.get(),
             GetFileSystemURL(test_file_path),
             offset,
             *file_system_context_->GetUpdateObservers(kFileSystemType));
     writer->set_default_quota(allowed_growth);
     return new FileWriterDelegate(
-        scoped_ptr<fileapi::FileStreamWriter>(writer));
+        scoped_ptr<fileapi::FileStreamWriter>(writer),
+        FileWriterDelegate::FLUSH_ON_COMPLETION);
   }
 
   FileWriterDelegate::DelegateWriteCallback GetWriteCallback(Result* result) {
     return base::Bind(&Result::DidWrite, base::Unretained(result));
   }
 
   // Creates and sets up a FileWriterDelegate for writing the given |blob_url|,
   // and creates a new FileWriterDelegate for the file.
   void PrepareForWrite(const char* test_file_path,
                        const GURL& blob_url,
@@ skipping 317 matching lines @@
     file_writer_delegate_.reset();
 
     EXPECT_EQ(pre_write_usage + allowed_growth, usage());
     EXPECT_EQ(GetFileSizeOnDisk("test"), usage());
     EXPECT_EQ(kOverlap + allowed_growth, result.bytes_written());
     EXPECT_EQ(base::File::FILE_ERROR_NO_SPACE, result.status());
   }
 }
 
 }  // namespace content