Wired support for file truncating with RemoteFileSystemOperation::OpenFile() method (case when base…

webkit/plugins/ppapi/plugin_delegate.h

Index: webkit/plugins/ppapi/plugin_delegate.h
diff --git a/webkit/plugins/ppapi/plugin_delegate.h b/webkit/plugins/ppapi/plugin_delegate.h
index 6f851907bdded5f64c17342ce3b35da16abab203..4b4618b82d60fa042af944320b27b7dc15ad3b65 100644
--- a/webkit/plugins/ppapi/plugin_delegate.h
+++ b/webkit/plugins/ppapi/plugin_delegate.h
@@ -424,6 +424,10 @@ class PluginDelegate {
       int flags,
       const AsyncOpenFileCallback& callback) = 0;
 
+  // Retrieves a callback for doing clean-up task after closing a file URL.
+  virtual base::Callback<void (base::PlatformFileError)>
+      GetCloseFileSystemURLCallback(const GURL& path) = 0;
+
   virtual bool OpenFileSystem(
       const GURL& url,
       fileapi::FileSystemType type,