[Object.observe] rename intrinsic change record types for consitency.

src/accessors.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 599 matching lines @@
       old_value = handle(function->prototype(), isolate);
     else
       old_value = isolate->factory()->NewFunctionPrototype(function);
   }
 
   JSFunction::SetPrototype(function, value);
   ASSERT(function->prototype() == *value);
 
   if (is_observed && !old_value->SameValue(*value)) {
     JSObject::EnqueueChangeRecord(
-        function, "updated", isolate->factory()->prototype_string(), old_value);
+        function, "update", isolate->factory()->prototype_string(), old_value);
   }
 
   return *function;
 }
 
 
 const AccessorDescriptor Accessors::FunctionPrototype = {
   FunctionGetPrototype,
   FunctionSetPrototype,
   0
@@ skipping 337 matching lines @@
   info->set_data(Smi::FromInt(index));
   Handle<Object> getter = v8::FromCData(isolate, &ModuleGetExport);
   Handle<Object> setter = v8::FromCData(isolate, &ModuleSetExport);
   info->set_getter(*getter);
   if (!(attributes & ReadOnly)) info->set_setter(*setter);
   return info;
 }
 
 
 } }  // namespace v8::internal