title: GWT Celltable IE9 issue
body: <p>When I use KeyboardSelectionPolicy.DISABLED for TextInputCell in a celltable, the events are not fired correctly and hence FieldUpdater is not called at all the times.</p>
  
  <p>My code snippet looks like this</p>
  
  <pre><code> CellTable&lt;String&gt; cellTable = new CellTable&lt;String&gt;();
   cellTable.setKeyboardSelectionPolicy(KeyboardSelectionPolicy.DISABLED);
   Column&lt;String, String&gt; column = new Column&lt;String, String&gt;(new TextInputCell()) {
  @Override
  public String getValue(String object) {
      //Do something
  }
  };
  column.setFieldUpdater(new FieldUpdater&lt;String, String&gt;() {
  
  @Override
  public void update(int index, String object, String value) {
      //Do something
  }
  });
  cellTable.addColumn(column);
  </code></pre>
  
  <p>Am I the only one facing this problem or am I doing anything wrong?</p>