Stop passing HtmlSystemShared around and move html renaming to IDLTypeInfo.

lib/dom/scripts/systemfrog.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 systems to generate
 frog binding from the IDL database."""
 
 import os
 from generator import *
@@ skipping 137 matching lines @@
     emitter.Emit(
         template,
         FACTORYPROVIDER=factory_provider,
         CONSTRUCTOR=interface_name,
         PARAMETERS=constructor_info.ParametersImplementationDeclaration(),
         NAMEDCONSTRUCTOR=constructor_info.name or interface_name,
         ARGUMENTS=constructor_info.ParametersAsArgumentList())
 
   def _ShouldNarrowToImplementationType(self, type_name):
     # TODO(sra): Move into the 'system' and cache the result.
-    if type_name == 'EventListener':
-      # Callbacks are typedef functions so don't have a class.
+    do_not_narrow = ['DOMStringList', 'DOMStringMap', 'EventListener',
+                     'IDBAny', 'IDBKey', 'MediaQueryListListener']
+    if type_name in do_not_narrow:
       return False
     if self._system._database.HasInterface(type_name):
       interface = self._system._database.GetInterface(type_name)
       if RecognizeCallback(interface):
         # Callbacks are typedef functions so don't have a class.
         return False
-      elif type_name == 'MediaQueryListListener':
-        # Somewhat like a callback.  See Issue 3338.
-        return False
-      else:
-        return True
+      return True
     return False
 
   def _NarrowToImplementationType(self, type_name):
     if self._ShouldNarrowToImplementationType(type_name):
-      return self._ImplClassName(type_name)
-    return type_name
+      return self._ImplClassName(DartType(type_name))
+    return DartType(type_name)
 
   def _NarrowInputType(self, type_name):
-    return self._NarrowToImplementationType(DartType(type_name))
+    return self._NarrowToImplementationType(type_name)
 
   def _NarrowOutputType(self, type_name):
-    return self._NarrowToImplementationType(DartType(type_name))
+    return self._NarrowToImplementationType(type_name)
 
   def AddConstant(self, constant):
     # Since we are currently generating native classes without interfaces,
     # generate the constants as part of the class.  This will need to go away
     # if we revert back to generating interfaces.
     self._members_emitter.Emit('\n  static final $TYPE $NAME = $VALUE;\n',
                                NAME=constant.id,
                                TYPE=DartType(constant.type.id),
                                VALUE=constant.value)
 
@@ skipping 195 matching lines @@
     if native_body:
       native_string = " '''" + native_body + "'''"
 
     self._members_emitter.Emit(
         '\n'
         '  $TYPE $NAME($PARAMS) native$NATIVESTRING;\n',
         TYPE=self._NarrowOutputType(info.type_name),
         NAME=info.name,
         PARAMS=params,
         NATIVESTRING=native_string)