Moved most of html lib generating scripts into tools.

tools/dom/src/KeyCode.dart

 // Copyright (c) 2012, 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 html;
 
 /**
  * Defines the keycode values for keys that are returned by 
  * KeyboardEvent.keyCode.
  * 
@@ skipping 208 matching lines @@
     return (keyCode == SPACE || keyCode == QUESTION_MARK || keyCode == NUM_PLUS
         || keyCode == NUM_MINUS || keyCode == NUM_PERIOD ||
         keyCode == NUM_DIVISION || keyCode == SEMICOLON ||
         keyCode == FF_SEMICOLON || keyCode == DASH || keyCode == EQUALS ||
         keyCode == FF_EQUALS || keyCode == COMMA || keyCode == PERIOD ||
         keyCode == SLASH || keyCode == APOSTROPHE || keyCode == SINGLE_QUOTE ||
         keyCode == OPEN_SQUARE_BRACKET || keyCode == BACKSLASH ||
         keyCode == CLOSE_SQUARE_BRACKET);
   }
 }