Adding supported checks for CssMatrix and Point.

tools/dom/scripts/generator.py

Index: tools/dom/scripts/generator.py
diff --git a/tools/dom/scripts/generator.py b/tools/dom/scripts/generator.py
index d6bfb7e96cb43bc4703620357213417da646bca9..9ca97c81978be70ad670b967a09e152cbcdc495f 100644
--- a/tools/dom/scripts/generator.py
+++ b/tools/dom/scripts/generator.py
@@ -711,6 +711,8 @@ dart_annotations = {
     "@SupportedBrowser(SupportedBrowser.OPERA)",
     "@SupportedBrowser(SupportedBrowser.SAFARI)",
   ],
+  'DOMWindow.convertPointFromNodeToPage': _webkit_experimental_annotations,
+  'DOMWindow.convertPointFromPageToNode': _webkit_experimental_annotations,
   'DOMWindow.indexedDB': _indexed_db_annotations,
   'DOMWindow.performance': _performance_annotations,
   'DOMWindow.webkitNotifications': _webkit_experimental_annotations,
@@ -786,6 +788,8 @@ dart_annotations = {
   'SpeechRecognitionError': _speech_recognition_annotations,
   'SpeechRecognitionEvent': _speech_recognition_annotations,
   'SpeechRecognitionResult': _speech_recognition_annotations,
+  'WebKitCSSMatrix': _webkit_experimental_annotations,
+  'WebKitPoint': _webkit_experimental_annotations,
   'WebSocket': _all_but_ie9_annotations,
   'WorkerContext.indexedDB': _indexed_db_annotations,
   'WorkerContext.webkitRequestFileSystem': _file_system_annotations,