Use atom.keymap in Editor

src/editor.coffee

@@ -1809,7 +1809,7 @@ class Editor extends View
   bindToKeyedEvent: (key, event, callback) ->
     binding = {}
     binding[key] = event
-    window.keymap.bindKeys '.editor', binding
+    atom.keymap.bindKeys '.editor', binding
     @on event, =>
       callback(this, event)
 

src/window.coffee

@@ -97,6 +97,7 @@ window.deserializeEditorWindow = ->
 window.onerror = ->
   atom.openDevTools()
 
+#TODO remove once all packages use the atom global
 window.registerDeserializers = (args...) ->
   atom.deserializers.add(args...)
 window.registerDeserializer = (args...) ->