Native context: alpha sort slots and remove boilerplate.

src/object-observe.js

Index: src/object-observe.js
diff --git a/src/object-observe.js b/src/object-observe.js
index dfd3a4865287c978e63e1330cec2dd8897c19e79..243e093244eb3378a5d4ca586b2b4c0597eeffdb 100644
--- a/src/object-observe.js
+++ b/src/object-observe.js
@@ -704,14 +704,14 @@ $observeBeginPerformSplice = BeginPerformSplice;
 $observeEndPerformSplice = EndPerformSplice;
 
 utils.ExportToRuntime(function(to) {
-  to.ObserveNotifyChange = NotifyChange;
-  to.ObserveEnqueueSpliceRecord = EnqueueSpliceRecord;
-  to.ObserveBeginPerformSplice = BeginPerformSplice;
-  to.ObserveEndPerformSplice = EndPerformSplice;
-  to.ObserveNativeObjectObserve = NativeObjectObserve;
-  to.ObserveNativeObjectGetNotifier = NativeObjectGetNotifier;
-  to.ObserveNativeObjectNotifierPerformChange =
+  to["native_object_get_notifier"] = NativeObjectGetNotifier;
+  to["native_object_notifier_perform_change"] =
       NativeObjectNotifierPerformChange;
+  to["native_object_observe"] = NativeObjectObserve;
+  to["observers_begin_perform_splice"] = BeginPerformSplice;
+  to["observers_end_perform_splice"] = EndPerformSplice;
+  to["observers_enqueue_splice"] = EnqueueSpliceRecord;
+  to["observers_notify_change"] = NotifyChange;
 });
 
 })