Stop sharing DOM object wrappers between content and chrome, specifically reporter wallet mail pki browser communicator global b=281988 r=bsmedberg sr=bz a=asa

suite/common/contents.rdf

@@ -12,6 +12,7 @@
         chrome:displayName="Communicator Shared"
         chrome:author="mozilla.org"
         chrome:name="communicator"
+        chrome:xpcNativeWrappers="true"
 #expand         chrome:localeVersion="__MOZILLA_LOCALE_VERSION__"
 #expand         chrome:skinVersion="__MOZILLA_SKIN_VERSION__">
   </RDF:Description>