Automate generation of toJS function for classes that need to report extra memory usage
https://bugs.webkit.org/show_bug.cgi?id=114768

Reviewed by Geoff Garen.

Only really used by AudioBuffer for now.  The other classes that need it can be
trivially refactored at a later date.

* Modules/webaudio/AudioBuffer.idl:
* bindings/js/JSAudioBufferCustom.cpp:
* bindings/js/JSDOMBinding.h:
(WebCore):
(HasMemoryCost):
(NoType):
(BaseMixin):
* bindings/scripts/CodeGeneratorJS.pm:
(GenerateImplementation):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148648 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Unreviewed. More Windows build fix.

* JavaScriptCore.vcproj/JavaScriptCore/JavaScriptCoreExports.def:
* JavaScriptCore.vcxproj/JavaScriptCoreExportGenerator/JavaScriptCoreExports.def.in:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@148650 268f45cc-cd09-0410-ab3c-d52691b4dbfc