Stop generating MutationCallback right way.

R=podivilov@chromium.org

Review URL: https://codereview.chromium.org//11886099

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@17290 260f80e4-7a28-3924-810f-c04153c831b5

tools/dom/idl/dart/dart.idl

@@ -291,7 +291,7 @@ interface SVGNumber {
   [StrictTypeChecking, Custom] attribute float value;
 };
 
-// TODO(antonm): get rid of it to follow V8 bindings.
+// Keep it in to generate Dart code, C++ implementation is filterd out in generator.
 [
   Callback
 ] interface MutationCallback {

tools/dom/scripts/generator.py

@@ -17,6 +17,7 @@ _pure_interfaces = set([
     'ElementTraversal',
     'EventListener',
     'MediaQueryListListener',
+    'MutationCallback',
     'NodeSelector',
     'SVGExternalResourcesRequired',
     'SVGFilterPrimitiveStandardAttributes',

tools/dom/scripts/systemnative.py

@@ -40,11 +40,6 @@ class DartiumBackend(HtmlDartGenerator):
 
     cpp_impl_includes = set()
     cpp_header_handlers_emitter = emitter.Emitter()
-    # TODO(antonm): FIX IT
-    if self._interface.id == 'MutationCallback':
-      cpp_header_handlers_emitter.Emit(
-          '\n'
-          '    virtual ScriptExecutionContext* scriptExecutionContext() const;\n')
     cpp_impl_handlers_emitter = emitter.Emitter()
     class_name = 'Dart%s' % self._interface.id
     for operation in self._interface.operations: