Revert "Dartium JS Interop enabled."

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

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 part of $LIBRARYNAME;
 
 $(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS {
 
   static const String INDEX_SIZE = 'IndexSizeError';
   static const String HIERARCHY_REQUEST = 'HierarchyRequestError';
@@ skipping 22 matching lines @@
     var errorName = JS('String', '#.name', this);
     // Although Safari nightly has updated the name to SecurityError, Safari 5
     // and 6 still return SECURITY_ERR.
     if (Device.isWebKit && errorName == 'SECURITY_ERR') return 'SecurityError';
     // Chrome release still uses old string, remove this line when Chrome stable
     // also prints out SyntaxError.
     if (Device.isWebKit && errorName == 'SYNTAX_ERR') return 'SyntaxError';
     return errorName;
   }
 $endif
-$if JSINTEROP
-  String _name;
-  String _message;
-
-  // To suppress missing implicit constructor warnings.
-  factory DomException._() { throw new UnsupportedError("Not supported"); }
-
-  static DomException internalCreateDomException() {
-    return new DomException._internalWrap();
-  }
-
-  js.JsObject blink_jsObject;
-
-  factory DomException._internalWrap() {
-    return new DomException.internal_();
-  }
-
-  DomException.internal_() { }
-
-  DomException.jsInterop(String m) {
-    var name_index = m.indexOf(': ');
-    if (name_index < 0) {
-      _name = "";
-      _message = m;
-    } else {
-      _name = m.substring(0, name_index);
-      _message = m.substring(name_index + 1).trim();
-    }
-  }
-
-  @DomName('DOMException.message')
-  @DocsEditable()
-  String get message => _message;
-
-  @DomName('DOMException.name')
-  @DocsEditable()
-  String get name => _name;
-
-  @DomName('DOMException.toString')
-  @DocsEditable()
-  String toString() => "${_name}: $_message";
-
-$else
 $!MEMBERS
-$endif
 $if DART2JS
   @DomName('DOMException.toString')
   @DocsEditable()
   String toString() => JS('String', 'String(#)', this);
 $endif
 }