Hide implementation members in dart:html, dart:js and related libraries

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

Index: tools/dom/templates/html/impl/impl_DOMException.darttemplate
diff --git a/tools/dom/templates/html/impl/impl_DOMException.darttemplate b/tools/dom/templates/html/impl/impl_DOMException.darttemplate
index bf5f0b6a6383ca9c9229d3de593a888f4b66636f..9bbae84381d3791ca1f042198da02b40b5ef53ef 100644
--- a/tools/dom/templates/html/impl/impl_DOMException.darttemplate
+++ b/tools/dom/templates/html/impl/impl_DOMException.darttemplate
@@ -52,14 +52,17 @@ $if JSINTEROP
     return new DomException._internalWrap();
   }
 
+  @Deprecated("Internal Use Only")

[Alan Knight, 2015/11/02 17:57:21]

This field should just be removed, it's shadowing a field from the superclass.
But I think that it will still work, so it's not urgent.

   js.JsObject blink_jsObject;
 
   factory DomException._internalWrap() {
     return new DomException.internal_();
   }
 
+  @Deprecated("Internal Use Only")
   DomException.internal_() { }
 
+  @Deprecated("Internal Use Only")
   DomException.jsInterop(String m) {
     var name_index = m.indexOf(': ');
     if (name_index < 0) {