Frog dart:dom using interfaces and native implementation classes.

client/dom/generated/src/frog/ProcessingInstruction.dart

Index: client/dom/generated/src/frog/ProcessingInstruction.dart
diff --git a/client/dom/generated/src/frog/ProcessingInstruction.dart b/client/dom/generated/src/frog/ProcessingInstruction.dart
index 86924f38d8299bd1b25129fab6e5058e471f6b27..125c84890e98d4ea21a1c1d8e9dc007204a06b0d 100644
--- a/client/dom/generated/src/frog/ProcessingInstruction.dart
+++ b/client/dom/generated/src/frog/ProcessingInstruction.dart
@@ -1,11 +1,11 @@
 
-class ProcessingInstruction extends Node native "*ProcessingInstruction" {
+class ProcessingInstructionJS extends NodeJS implements ProcessingInstruction native "*ProcessingInstruction" {
 
   String get data() native "return this.data;";
 
   void set data(String value) native "this.data = value;";
 
-  StyleSheet get sheet() native "return this.sheet;";
+  StyleSheetJS get sheet() native "return this.sheet;";
 
   String get target() native "return this.target;";
 }