Bug 1257037 part 15. Get rid of the wantsXrays configuration annotation. Just set bindings to want Xrays if they're exposed in Window. r=khuey

dom/bindings/Bindings.conf

@@ -37,10 +37,6 @@
 #                   XPConnect wrapping.  Always false for callback interfaces.
 #                   Defaults to true for non-callback descriptors.
 #
-# A descriptor can have 'wantsXrays': False specified if it
-# should not have Xray hooks generated.  Make sure to have someone
-# familiar with Xrays review any use of this!
-#
 # The following fields are either a string, an array (defaults to an empty
 # array) or a dictionary with three possible keys (all, getterOnly and
 # setterOnly) each having such an array as the value

dom/bindings/Configuration.py

@@ -279,7 +279,7 @@ class Descriptor(DescriptorProvider):
         self.config = config
         self.interface = interface
 
-        self.wantsXrays = desc.get('wantsXrays', True)
+        self.wantsXrays = interface.isExposedInWindow()
 
         # Read the desc, and fill in the relevant defaults.
         ifaceName = self.interface.identifier.name