Move SVGNames to Python

Source/build/scripts/make_element_factory.py

Index: Source/build/scripts/make_element_factory.py
diff --git a/Source/build/scripts/make_element_factory.py b/Source/build/scripts/make_element_factory.py
index b9600cbf7177340a64a77c999c72294b098718c5..6bf636219e760f143482c28f352a4aa7364e29a3 100755
--- a/Source/build/scripts/make_element_factory.py
+++ b/Source/build/scripts/make_element_factory.py
@@ -35,7 +35,6 @@ import name_utilities
 
 from make_qualified_names import MakeQualifiedNamesWriter
 
-
 def _interface(tag):
     if tag['interfaceName']:
         return tag['interfaceName']
@@ -43,22 +42,26 @@ def _interface(tag):
     # FIXME: We shouldn't hard-code HTML here.
     if name == 'HTML':
         name = 'Html'
-    return 'HTML%sElement' % name
+    dash = name.find('-')
+    while dash != -1:
+        name = name[:dash] + name[dash + 1].upper() + name[dash + 2:]
+        dash = name.find('-')
+    return '%sElement' % name
 
 
 def _js_interface(tag):
-    if tag['JSInterfaceName']:
-        return tag['JSInterfaceName']
+    if tag['useDefaultJSInterface']:
+        return 'Element'
     return _interface(tag)
 
 
 def _has_js_interface(tag):
-    return not tag['mapToTagName'] and not tag['noConstructor'] and _js_interface(tag) != 'HTMLElement'
+    return not tag['mapToTagName'] and not tag['noConstructor'] and _js_interface(tag) != 'Element'
 
 
 class MakeElementFactoryWriter(MakeQualifiedNamesWriter):
     defaults = dict(MakeQualifiedNamesWriter.default_parameters, **{
-        'JSInterfaceName': None,
+        'useDefaultJSInterface': None,
         'constructorNeedsCreatedByParser': None,
         'constructorNeedsFormElement': None,
         'contextConditional': None,
@@ -68,7 +71,8 @@ class MakeElementFactoryWriter(MakeQualifiedNamesWriter):
         'wrapperOnlyIfMediaIsAvailable': None,
     })
     default_parameters = dict(MakeQualifiedNamesWriter.default_parameters, **{
-        'fallbackInterfaceName': None,
+        'fallbackInterfaceName': '',
+        'fallbackJSInterfaceName': '',
     })
     filters = dict(MakeQualifiedNamesWriter.filters, **{
         'interface': _interface,
@@ -89,11 +93,15 @@ class MakeElementFactoryWriter(MakeQualifiedNamesWriter):
             ('V8' + self.namespace + 'ElementWrapperFactory.cpp'): self.generate_wrapper_factory_implementation,
         })
 
+        fallback_interface = self.tags_in_file.parameters['fallbackInterfaceName'].strip('"')
+        fallback_js_interface = self.tags_in_file.parameters['fallbackJSInterfaceName'].strip('"') or fallback_interface
+
         for tag in self._template_context['tags']:
             tag['js_interface'] = _js_interface(tag) if _has_js_interface(tag) else None
 
         self._template_context.update({
-            'fallback_interface': self.tags_in_file.parameters['fallbackInterfaceName'].strip('"'),
+            'fallback_interface': fallback_interface,
+            'fallback_js_interface': fallback_js_interface,
         })
 
     @template_expander.use_jinja('ElementFactory.h.tmpl', filters=filters)