Add supported checks to the SVG library, and library cleanup.

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 6fb4c86d603ab5a4149e698ab38a30b9d1c53ed0..69b90af774eeba75c651ee50d2b8362c2c2fc0c1 100644
--- a/tools/dom/scripts/htmlrenamer.py
+++ b/tools/dom/scripts/htmlrenamer.py
@@ -16,15 +16,7 @@ html_interface_renames = monitored.Dict('htmlrenamer.html_interface_renames', {
     'DOMFormData': 'FormData',
     'DOMURL': 'Url',
     'DOMWindow': 'Window',
-    'HTMLAppletElement' : '_AppletElement',
-    'HTMLBaseFontElement' : '_BaseFontElement',
-    'HTMLDirectoryElement' : '_DirectoryElement',
     'HTMLDocument' : 'HtmlDocument',
-    'HTMLFontElement' : '_FontElement',
-    'HTMLFrameElement' : '_FrameElement',
-    'HTMLFrameSetElement' : '_FrameSetElement',
-    'HTMLMarqueeElement' : '_MarqueeElement',
-    'IDBAny': '_Any', # Suppressed, but needs to exist for Dartium.
     'IDBFactory': 'IdbFactory', # Manual to avoid name conflicts.
     'NavigatorUserMediaErrorCallback': '_NavigatorUserMediaErrorCallback',
     'NavigatorUserMediaSuccessCallback': '_NavigatorUserMediaSuccessCallback',
@@ -46,6 +38,42 @@ html_interface_renames = monitored.Dict('htmlrenamer.html_interface_renames', {
     'XMLHttpRequestUpload': 'HttpRequestUpload',
 })
 
+# Interfaces that are suppressed, but need to still exist for Dartium and to
+# properly wrap DOM objects if/when encountered.
+_removed_html_interfaces = [
+  'HTMLAppletElement',
+  'HTMLBaseFontElement',
+  'HTMLDirectoryElement',
+  'HTMLFontElement',
+  'HTMLFrameElement',
+  'HTMLFrameSetElement',
+  'HTMLMarqueeElement',
+  'IDBAny',
+  'SVGAltGlyphDefElement', # Webkit only.
+  'SVGAltGlyphItemElement', # Webkit only.
+  'SVGAnimateColorElement', # Deprecated. Use AnimateElement instead.
+  'SVGComponentTransferFunctionElement', # Currently not supported anywhere.
+  'SVGCursorElement', # Webkit only.
+  'SVGGradientElement', # Currently not supported anywhere.
+  'SVGFEDropShadowElement', # Webkit only for the following:
+  'SVGFontElement',
+  'SVGFontFaceElement',
+  'SVGFontFaceFormatElement',
+  'SVGFontFaceNameElement',
+  'SVGFontFaceSrcElement',
+  'SVGFontFaceUriElement',
+  'SVGGlyphElement',
+  'SVGGlyphRefElement',
+  'SVGHKernElement',
+  'SVGMissingGlyphElement',
+  'SVGMPathElement',
+  'SVGTRefElement',
+  'SVGVKernElement',
+]
+
+for interface in _removed_html_interfaces:
+  html_interface_renames[interface] = '_' + interface
+
 # Members from the standard dom that should not be exposed publicly in dart:html
 # but need to be exposed internally to implement dart:html on top of a standard
 # browser.