Wrap object observe implementation in a function.

src/bootstrapper.cc

Index: src/bootstrapper.cc
diff --git a/src/bootstrapper.cc b/src/bootstrapper.cc
index 61017bfa2e1bd402e2e2be01577c8b31157df27a..2246f6e1a797741fcc40f43d2ff0ee2e993aa1dd 100644
--- a/src/bootstrapper.cc
+++ b/src/bootstrapper.cc
@@ -1565,17 +1565,18 @@ void Genesis::InstallNativeFunctions() {
   INSTALL_NATIVE(JSFunction, "PromiseCatch", promise_catch);
   INSTALL_NATIVE(JSFunction, "PromiseThen", promise_then);
 
-  INSTALL_NATIVE(JSFunction, "NotifyChange", observers_notify_change);
-  INSTALL_NATIVE(JSFunction, "EnqueueSpliceRecord", observers_enqueue_splice);
-  INSTALL_NATIVE(JSFunction, "BeginPerformSplice",
+  INSTALL_NATIVE(JSFunction, "$observeNotifyChange", observers_notify_change);
+  INSTALL_NATIVE(JSFunction, "$observeEnqueueSpliceRecord",
+                 observers_enqueue_splice);
+  INSTALL_NATIVE(JSFunction, "$observeBeginPerformSplice",
                  observers_begin_perform_splice);
-  INSTALL_NATIVE(JSFunction, "EndPerformSplice",
+  INSTALL_NATIVE(JSFunction, "$observeEndPerformSplice",
                  observers_end_perform_splice);
-  INSTALL_NATIVE(JSFunction, "NativeObjectObserve",
+  INSTALL_NATIVE(JSFunction, "$observeNativeObjectObserve",
                  native_object_observe);
-  INSTALL_NATIVE(JSFunction, "NativeObjectGetNotifier",
+  INSTALL_NATIVE(JSFunction, "$observeNativeObjectGetNotifier",
                  native_object_get_notifier);
-  INSTALL_NATIVE(JSFunction, "NativeObjectNotifierPerformChange",
+  INSTALL_NATIVE(JSFunction, "$observeNativeObjectNotifierPerformChange",
                  native_object_notifier_perform_change);
   INSTALL_NATIVE(JSFunction, "$arrayValues", array_values_iterator);
 }