Plumb new functor in native/webview

Add plumbing to native/webview for the new functor.
Add a void* data parameter to avoid having to use a thread safe
map for in both the plumbing and in webview.

Test: Compiles and webview runs
Bug: 120997728
Change-Id: I0f9f3acb05688a5afcf95974bc0b3b117f33a8e3