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

webkit/browser/fileapi/file_system_operation_runner.cc

Index: webkit/browser/fileapi/file_system_operation_runner.cc
diff --git a/webkit/browser/fileapi/file_system_operation_runner.cc b/webkit/browser/fileapi/file_system_operation_runner.cc
index aa4c43534200b1981b92adb0c2071717102f6e3f..4674cf86e879b66c37752d6b3c662eb6ca510b56 100644
--- a/webkit/browser/fileapi/file_system_operation_runner.cc
+++ b/webkit/browser/fileapi/file_system_operation_runner.cc
@@ -260,8 +260,12 @@ OperationID FileSystemOperationRunner::Write(
     return handle.id;
   }
 
+  FileWriterDelegate::FlushPolicy flush_policy =
+      file_system_context_->ShouldFlushOnWriteCompletion(url.type())
+          ? FileWriterDelegate::FLUSH_ON_COMPLETION
+          : FileWriterDelegate::NO_FLUSH_ON_COMPLETION;
   scoped_ptr<FileWriterDelegate> writer_delegate(
-      new FileWriterDelegate(writer.Pass()));
+      new FileWriterDelegate(writer.Pass(), flush_policy));
 
   scoped_ptr<net::URLRequest> blob_request(
       webkit_blob::BlobProtocolHandler::CreateBlobRequest(