Consolidating platform code into dart:html_common

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 
+ * Defines the keycode values for keys that are returned by
  * KeyboardEvent.keyCode.
- * 
+ *
  * Important note: There is substantial divergence in how different browsers
  * handle keycodes and their variants in different locales/keyboard layouts. We
  * provide these constants to help make code processing keys more readable.
  */
 abstract class KeyCode {
   // These constant names were borrowed from Closure's Keycode enumeration
   // class.
-  // http://closure-library.googlecode.com/svn/docs/closure_goog_events_keycodes.js.source.html  
+  // http://closure-library.googlecode.com/svn/docs/closure_goog_events_keycodes.js.source.html
   static const int WIN_KEY_FF_LINUX = 0;
   static const int MAC_ENTER = 3;
   static const int BACKSPACE = 8;
   static const int TAB = 9;
   /** NUM_CENTER is also NUMLOCK for FF and Safari on Mac. */
   static const int NUM_CENTER = 12;
   static const int ENTER = 13;
   static const int SHIFT = 16;
   static const int CTRL = 17;
   static const int ALT = 18;
@@ skipping 174 matching lines @@
    * Returns true if the keyCode produces a (US keyboard) character.
    * Note: This does not (yet) cover characters on non-US keyboards (Russian,
    * Hebrew, etc.).
    */
   static bool isCharacterKey(int keyCode) {
     if ((keyCode >= ZERO && keyCode <= NINE) ||
         (keyCode >= NUM_ZERO && keyCode <= NUM_MULTIPLY) ||
         (keyCode >= A && keyCode <= Z)) {
       return true;
     }
- 
+
     // Safari sends zero key code for non-latin characters.
-    if (_Device.isWebKit && keyCode == 0) {
+    if (Device.isWebKit && keyCode == 0) {
       return true;
     }
- 
+
     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);
   }
 }