The patch broke fast/frames/sandboxed-iframe-storage.html

Unfortunately, (the webkit-patch rollout and) I missed these in r55485.

WebCore:

* bindings/js/JSDatabaseCallback.cpp: Removed.
* bindings/js/JSDatabaseCallback.h: Removed.
* bindings/v8/custom/V8DatabaseCallback.cpp: Removed.
* bindings/v8/custom/V8DatabaseCallback.h: Removed.
* storage/DatabaseCallback.h: Removed.

LayoutTests:

* storage/open-database-creation-callback-expected.txt: Removed.
* storage/open-database-creation-callback-isolated-world-expected.txt: Removed.
* storage/open-database-creation-callback-isolated-world.html: Removed.
* storage/open-database-creation-callback.html: Removed.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@55488 268f45cc-cd09-0410-ab3c-d52691b4dbfc