Revert "Rework Element constructors"

lib/dom/scripts/systemnative.py

Index: lib/dom/scripts/systemnative.py
diff --git a/lib/dom/scripts/systemnative.py b/lib/dom/scripts/systemnative.py
index 9b86bd6c25a6a70ea2ed5098d14cf798b41dac1a..729d51e3657b8e9c886e99f76c3849a6612c7aa7 100644
--- a/lib/dom/scripts/systemnative.py
+++ b/lib/dom/scripts/systemnative.py
@@ -11,8 +11,6 @@ import os
 from generator import *
 from systembase import *
 from systemhtml import DomToHtmlEvent, DomToHtmlEvents, HtmlSystemShared
-from systemhtml import HtmlElementConstructorInfos
-from systemhtml import EmitHtmlElementFactoryConstructors
 
 class NativeImplementationSystem(System):
 
@@ -26,7 +24,6 @@ class NativeImplementationSystem(System):
     self._cpp_header_files = []
     self._cpp_impl_files = []
     self._html_system = HtmlSystemShared(html_database)
-    self._factory_provider_emitters = {}
 
   def InterfaceGenerator(self,
                          interface,
@@ -179,15 +176,6 @@ class NativeImplementationSystem(System):
   def _FilePathForCppImplementation(self, interface_name):
     return os.path.join(self._output_dir, 'cpp', 'Dart%s.cpp' % interface_name)
 
-  def _EmitterForFactoryProviderBody(self, name):
-    if name not in self._factory_provider_emitters:
-      file_name = self._FilePathForDartFactoryProviderImplementation(name)
-      self._dom_impl_files.append(file_name)
-      template = self._templates.Load('factoryprovider_%s.darttemplate' % name)
-      file_emitter = self._emitters.FileEmitter(file_name)
-      self._factory_provider_emitters[name] = file_emitter.Emit(template)
-    return self._factory_provider_emitters[name]
-
   def DartImplementationFiles(self):
     return self._dom_impl_files
 
@@ -235,11 +223,6 @@ class NativeImplementationGenerator(object):
     self._GenerateEvents()
 
   def _GenerateConstructors(self):
-    html_interface_name = self._HTMLInterfaceName(self._interface.id)
-    infos = HtmlElementConstructorInfos(html_interface_name)
-    if infos:
-      self._EmitHtmlElementFactoryConstructors(infos, html_interface_name)
-
     if not self._IsConstructable():
       return
 
@@ -307,14 +290,6 @@ class NativeImplementationGenerator(object):
         needs_receiver=False, invocation=invocation,
         raises_exceptions=raises_exceptions)
 
-  def _EmitHtmlElementFactoryConstructors(self, infos, html_interface_name):
-    EmitHtmlElementFactoryConstructors(
-        self._system._EmitterForFactoryProviderBody(
-            infos[0].factory_provider_name),
-        infos,
-        html_interface_name,
-        html_interface_name)
-
   def _GenerateEvents(self):
     if self._interface.id == 'DocumentFragment':
       # Interface DocumentFragment extends Element in dart:html but this fact