Upstream version 10.39.225.0

[platform/framework/web/crosswalk.git] / src / third_party / WebKit / Source / modules / filesystem / FileWriterBaseCallback.h

diff --git a/src/third_party/WebKit/Source/modules/filesystem/FileWriterBaseCallback.h b/src/third_party/WebKit/Source/modules/filesystem/FileWriterBaseCallback.h
index 043d560..df32b00 100644 (file)
--- a/src/third_party/WebKit/Source/modules/filesystem/FileWriterBaseCallback.h
+++ b/src/third_party/WebKit/Source/modules/filesystem/FileWriterBaseCallback.h
@@ -35,9 +35,10 @@ namespace blink {
 
 class FileWriterBase;
 
-class FileWriterBaseCallback {
+class FileWriterBaseCallback : public GarbageCollectedFinalized<FileWriterBaseCallback> {
 public:
     virtual ~FileWriterBaseCallback() { }
+    virtual void trace(Visitor*) { }
     virtual void handleEvent(FileWriterBase*) = 0;
 };