There was a regression as we moved to the ShadowRoot that started always dispatching the click through to the restarted plugin. Previously, a click on the snapshot banner would not forward the click, even though it restarts the plugin. <rdar://problem/13320869>
Created attachment 196564 [details] Patch
Comment on attachment 196564 [details] Patch Test case would be nice!
Test case temporarily delayed due to another bug. It's coming.
Committed r147693: <http://trac.webkit.org/changeset/147693>