Changing template file names to key off of the DOM name rather than Dart name.

sdk/lib/html/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 407 matching lines @@
 
   def NativeSpec(self):
     native_spec = MakeNativeSpec(self._interface.javascript_binding_name)
     return ' native "%s"' % native_spec
 
   def ImplementationTemplate(self):
     if IsPureInterface(self._interface.id):
       return self._template_loader.Load('pure_interface.darttemplate')
 
     template_file = ('impl_%s.darttemplate' %
-                     self._interface_type_info.interface_name())
+                     self._interface.doc_js_name)
     return (self._template_loader.TryLoad(template_file) or
             self._template_loader.Load('dart2js_impl.darttemplate'))
 
   def StartInterface(self, emitter):
     self._members_emitter = emitter
 
   def FinishInterface(self):
     pass
 
   def EmitFactoryProvider(self, constructor_info, factory_provider, emitter):
@@ skipping 543 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)