Stop passing HtmlSystemShared around and move html renaming to IDLTypeInfo.

lib/dom/scripts/dartdomgenerator.py

Index: lib/dom/scripts/dartdomgenerator.py
diff --git a/lib/dom/scripts/dartdomgenerator.py b/lib/dom/scripts/dartdomgenerator.py
index d3b96669fd1fc0bf91ba89a563b3b3bfe5774962..7780ce6b74b07e044c31b5465dcd4560b1eaa8df 100755
--- a/lib/dom/scripts/dartdomgenerator.py
+++ b/lib/dom/scripts/dartdomgenerator.py
@@ -15,7 +15,7 @@ import shutil
 import subprocess
 import sys
 from systemfrog import FrogSystem
-from systemhtml import HtmlInterfacesSystem, HtmlFrogSystem
+from systemhtml import HtmlInterfacesSystem, HtmlFrogSystem, HtmlSystemShared
 from systeminterface import InterfacesSystem
 from systemnative import NativeImplementationSystem
 from templateloader import TemplateLoader
@@ -60,10 +60,11 @@ def Generate(system_names, database_dir, use_database_cache, dom_output_dir,
   generator.RenameTypes(webkit_database, _webkit_renames, True)
   generator.FixEventTargets(webkit_database)
 
-  def Generate(system):
+  def Generate(system, interface_renames={}):
     generator.Generate(webkit_database, system,
                        super_database=common_database,
-                       webkit_renames=_webkit_renames)
+                       webkit_renames=_webkit_renames,
+                       interface_renames=interface_renames)
 
   emitters = multiemitter.MultiEmitter()
 
@@ -86,7 +87,7 @@ def Generate(system_names, database_dir, use_database_cache, dom_output_dir,
           TemplateLoader(template_dir, ['html/interface', 'html/impl', 'html',
                                         '']),
           webkit_database, emitters, output_dir, backend)
-      Generate(html_system)
+      Generate(html_system, HtmlSystemShared(webkit_database).MakeHtmlRenames())
     else:
       output_dir = dom_output_dir
       interface_system = InterfacesSystem(