Don't generate FooList if it behaves like List<Foo> exactly.

lib/html/scripts/systemhtml.py

Index: lib/html/scripts/systemhtml.py
===================================================================
--- lib/html/scripts/systemhtml.py	(revision 12656)
+++ lib/html/scripts/systemhtml.py	(working copy)
@@ -217,8 +217,6 @@
   'writestart': 'writeStart'
 }
 
-
-
 # Information for generating element constructors.
 #
 # TODO(sra): maybe remove all the argument complexity and use cascades.
@@ -478,7 +476,8 @@
     self._backend = system._backend.ImplementationGenerator(self._interface)
 
   def StartInterface(self):
-    if not self._interface.id in _merged_html_interfaces:
+    if (not self._interface.id in _merged_html_interfaces and

[vsm, 2012/09/24 19:31:10]

Can you add a comment here?

[Emily Fortuna, 2012/09/24 19:42:58]

Done.

+        self._html_interface_name not in nativified_classes.values()):
       path = '%s.dart' % self._html_interface_name
       self._interface_emitter = self._system._CreateEmitter(path)
     else:
@@ -562,7 +561,10 @@
 
     if self._backend.HasImplementation():
       if not self._interface.id in _merged_html_interfaces:
-        filename = '%sImpl.dart' % self._html_interface_name
+        name = self._html_interface_name
+        if self._html_interface_name in nativified_classes:
+          name = nativified_classes[self._html_interface_name]
+        filename = '%sImpl.dart' % name
       else:
         filename = '%sImpl_Merged.dart' % self._html_interface_name
       self._implementation_emitter = self._system._CreateEmitter(filename)
@@ -782,7 +784,10 @@
     return True
 
   def _ImplClassName(self, type_name):
-    return '_%sImpl' % type_name
+    name = type_name
+    if type_name in nativified_classes:
+      name = nativified_classes[type_name]
+    return '_%sImpl' % name
 
   def StartInterface(self):
     interface = self._interface