Making supressed DOM types abstract

tools/dom/scripts/htmlrenamer.py

Index: tools/dom/scripts/htmlrenamer.py
diff --git a/tools/dom/scripts/htmlrenamer.py b/tools/dom/scripts/htmlrenamer.py
index 971cd27693d1264ef5c34c3eeb5ef6dbb02728ea..b86107f44ad490178fc4c79bd61a5803002745f8 100644
--- a/tools/dom/scripts/htmlrenamer.py
+++ b/tools/dom/scripts/htmlrenamer.py
@@ -41,6 +41,7 @@ html_interface_renames = monitored.Dict('htmlrenamer.html_interface_renames', {
     'SVGDocument': 'SvgDocument', # Manual to avoid name conflicts.
     'SVGElement': 'SvgElement', # Manual to avoid name conflicts.
     'SVGException': 'SvgException', # Manual of avoid conflict with Exception.
+    'SVGGradientElement': '_GradientElement',
     'SVGSVGElement': 'SvgSvgElement', # Manual to avoid name conflicts.
     'WebGLVertexArrayObjectOES': 'VertexArrayObject',
     'WebKitAnimationEvent': 'AnimationEvent',
@@ -92,7 +93,6 @@ _removed_html_interfaces = [
   'SVGFontFaceUriElement',
   'SVGGlyphElement',
   'SVGGlyphRefElement',
-  'SVGGradientElement', # Currently not supported anywhere.
   'SVGHKernElement',
   'SVGMPathElement',
   'SVGMissingGlyphElement',
@@ -673,6 +673,11 @@ class HtmlRenamer(object):
       return True
     return False
 
+  def ShouldSuppressInterface(self, interface):
+    """ Returns true if the interface should be suppressed."""
+    if interface.id in _removed_html_interfaces:
+      return True
+
   def _FindMatch(self, interface, member, member_prefix, candidates):
     for interface in self._database.Hierarchy(interface):
       member_name = interface.id + '.' + member