| Index: chrome/browser/extensions/api/image_writer_private/destroy_partitions_operation.cc | 
| diff --git a/chrome/browser/extensions/api/image_writer_private/destroy_partitions_operation.cc b/chrome/browser/extensions/api/image_writer_private/destroy_partitions_operation.cc | 
| index 23537a1b3e6d0ab0df1f810f36aff3ddc1e50086..8eb6014d2052da8b8fbbdc9c8362b551e0e57852 100644 | 
| --- a/chrome/browser/extensions/api/image_writer_private/destroy_partitions_operation.cc | 
| +++ b/chrome/browser/extensions/api/image_writer_private/destroy_partitions_operation.cc | 
| @@ -5,6 +5,7 @@ | 
| #include "base/file_util.h" | 
| #include "chrome/browser/extensions/api/image_writer_private/destroy_partitions_operation.h" | 
| #include "chrome/browser/extensions/api/image_writer_private/error_messages.h" | 
| +#include "content/public/browser/browser_thread.h" | 
|  | 
| namespace extensions { | 
| namespace image_writer { | 
| @@ -44,7 +45,10 @@ void DestroyPartitionsOperation::Start() { | 
| return; | 
| } | 
|  | 
| -  WriteStart(); | 
| +  content::BrowserThread::PostTask( | 
| +      content::BrowserThread::FILE, | 
| +      FROM_HERE, | 
| +      base::Bind(&DestroyPartitionsOperation::WriteStart, this)); | 
| } | 
|  | 
| }  // namespace image_writer | 
|  |