Adding support for DOM3 KeyboardEvents Code in KeyboardEvents

public/web/WebViewClient.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 116 matching lines @@
 
     // This method is called in response to WebView's handleInputEvent()
     // when the default action for the current keyboard event is not
     // suppressed by the page, to give the embedder a chance to handle
     // the keyboard event specially.
     //
     // Returns true if the keyboard event was handled by the embedder,
     // indicating that the default action should be suppressed.
     virtual bool handleCurrentKeyboardEvent() { return false; }
 
+    // This method converts from the supplied enum value for the key
+    // to the embedder's DOM |code| string.
+    virtual WebString domCodeStringFromEnum(int domCode) { return ""; }
+
+    // This method converts from the suppled DOM |code| string to the
+    // embedder's enum value for the key.
+    virtual int domEnumFromCodeString(const WebString& codeString) { return 0; }
 
     // Dialogs -------------------------------------------------------------
 
     // This method returns immediately after showing the dialog. When the
     // dialog is closed, it should call the WebFileChooserCompletion to
     // pass the results of the dialog. Returns false if
     // WebFileChooseCompletion will never be called.
     virtual bool runFileChooser(const WebFileChooserParams&,
                                 WebFileChooserCompletion*) { return false; }
 
@@ skipping 146 matching lines @@
     // Informs the browser that the draggable regions have been updated.
     virtual void draggableRegionsChanged() { }
 
 protected:
     ~WebViewClient() { }
 };
 
 } // namespace blink
 
 #endif