Changed @domName annotation in comment to full fledge @DomName annotation.

tools/dom/scripts/systemhtml.py

 #!/usr/bin/python
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 """This module provides shared functionality for the system to generate
 Dart:html APIs from the IDL database."""
 
 import emitter
 import os
@@ skipping 910 matching lines @@
   def _HasCustomImplementation(self, member_name):
     member_name = '%s.%s' % (self._interface.doc_js_name, member_name)
     return member_name in _js_custom_members
 
   def _RenamingAnnotation(self, idl_name, member_name):
     if member_name != idl_name:
       return  "@JSName('%s')\n  " % idl_name
     return ''
 
   def _Annotations(self, idl_type, idl_member_name):
+    out = ''
     annotations = FindDart2JSAnnotations(idl_type, self._interface.id,
         idl_member_name)
     if annotations:
-      return '%s\n  ' % annotations
-    return_type = self.SecureOutputType(idl_type)
-    native_type = self._NarrowToImplementationType(idl_type)
-    if native_type != return_type:
-      return "@Returns('%s') @Creates('%s')\n  " % (native_type, native_type)
-    else:
-      return ''
+      out = '%s\n  ' % annotations
+    if not AnyConversionAnnotations(idl_type, self._interface.id,
+                                  idl_member_name):
+      return_type = self.SecureOutputType(idl_type)
+      native_type = self._NarrowToImplementationType(idl_type)
+      if native_type != return_type:
+        out += "@Returns('%s') @Creates('%s')\n  " % (native_type, native_type)
+    return out
 
   def CustomJSMembers(self):
     return _js_custom_members
 
   def _NarrowToImplementationType(self, type_name):
     return self._type_registry.TypeInfo(type_name).narrow_dart_type()
 
   def _NarrowInputType(self, type_name):
     return self._NarrowToImplementationType(type_name)
 
@@ skipping 96 matching lines @@
     for library_name in libraries:
       self._libraries[library_name] = DartLibrary(
           library_name, template_loader, library_type, output_dir)
 
   def AddFile(self, basename, library_name, path):
     self._libraries[library_name].AddFile(path)
 
   def Emit(self, emitter, auxiliary_dir):
     for lib in self._libraries.values():
       lib.Emit(emitter, auxiliary_dir)