Make filesystem objects ScriptWrappable.

Source/modules/filesystem/DirectoryReader.h

Index: Source/modules/filesystem/DirectoryReader.h
diff --git a/Source/modules/filesystem/DirectoryReader.h b/Source/modules/filesystem/DirectoryReader.h
index fce2e4a81e2561c2b1f126aaaf2177c20d89cdf6..6960ffc5c4d48cada2853b8551374119b2dc0b2f 100644
--- a/Source/modules/filesystem/DirectoryReader.h
+++ b/Source/modules/filesystem/DirectoryReader.h
@@ -31,6 +31,7 @@
 #ifndef DirectoryReader_h
 #define DirectoryReader_h
 
+#include "bindings/v8/ScriptWrappable.h"
 #include "modules/filesystem/DOMFileSystem.h"
 #include "modules/filesystem/DirectoryReaderBase.h"
 #include "wtf/PassRefPtr.h"
@@ -43,7 +44,7 @@ class EntriesCallback;
 class EntriesCallbacks;
 class ErrorCallback;
 
-class DirectoryReader : public DirectoryReaderBase {
+class DirectoryReader : public DirectoryReaderBase, public ScriptWrappable {

[abarth-chromium, 2013/05/14 00:38:13]

Same question here.

[Tom Sepez, 2013/05/14 18:21:51]

Answer above.  I think this is appropriate -- but do you want the wrappable in
front of the ref-counted class?  

 public:
     static PassRefPtr<DirectoryReader> create(PassRefPtr<DOMFileSystemBase> fileSystem, const String& fullPath)
     {