https://bugs.webkit.org/show_bug.cgi?id=49190

Reviewed by John Sullivan.

WebKit2:

* Shared/Plugins/NPObjectMessageReceiver.h:
(WebKit::NPObjectMessageReceiver::npObject):
Add NPObject getter.

* Shared/Plugins/NPObjectProxy.h:
(WebKit::NPObjectProxy::npObjectID):
Add NPObjectID getter.

* Shared/Plugins/NPRemoteObjectMap.cpp:
(WebKit::NPRemoteObjectMap::npVariantToNPVariantData):
Handle the case where the NPObject is an NPObjectProxy.

(WebKit::NPRemoteObjectMap::npVariantDataToNPVariant):
Handle NPVariantData::LocalNPObjectID.

* Shared/Plugins/NPVariantData.cpp:
(WebKit::NPVariantData::makeRemoteNPObjectID):
* Shared/Plugins/NPVariantData.h:
New function for creating an NPVariantData that contains a remote NPObject ID.

LayoutTests:

Remove now passing test.

* platform/mac-wk2/Skipped:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@71546 268f45cc-cd09-0410-ab3c-d52691b4dbfc