Initial work on ImageData.data.

tools/dom/templates/html/impl/impl_ImageData.darttemplate

Index: tools/dom/templates/html/impl/impl_ImageData.darttemplate
diff --git a/tools/dom/templates/html/dart2js/impl_SpeechRecognition.darttemplate b/tools/dom/templates/html/impl/impl_ImageData.darttemplate
similarity index 54%
copy from tools/dom/templates/html/dart2js/impl_SpeechRecognition.darttemplate
copy to tools/dom/templates/html/impl/impl_ImageData.darttemplate
index 599b50c579bcccbc8d05e0b53ad26eabe7578fb8..c7e0977bb537c18f02357fedc6c19d2581ee1eb8 100644
--- a/tools/dom/templates/html/dart2js/impl_SpeechRecognition.darttemplate
+++ b/tools/dom/templates/html/impl/impl_ImageData.darttemplate
@@ -3,11 +3,18 @@
 // BSD-style license that can be found in the LICENSE file.
 
 part of $LIBRARYNAME;
+$ANNOTATIONS
+class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
+$if DARTIUM
+  List<int> __data;
 
-$(ANNOTATIONS)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
-$!MEMBERS
-  static SpeechRecognition _create() {
-    return JS('SpeechRecognition',
-        'new (window.SpeechRecognition || window.webkitSpeechRecognition)()');
+  List<int> get data {
+    if (__data == null) {
+      __data = _data;
+    }
+    return __data;
   }
+$endif
+
+$!MEMBERS
 }