DRAFT: Add setKeyboardVisibility API.

ui/keyboard/resources/common.js

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview A simple virtual keyboard implementation.
  */
 
 var KEY_MODE = 'key';
 var SHIFT_MODE = 'shift';
@@ skipping 614 matching lines @@
 
 HideKeyboardKey.prototype = {
   __proto__: BaseKey.prototype,
 
   /** @override */
   makeDOM: function(mode) {
     this.modeElements_[mode] = document.createElement('div');
     this.modeElements_[mode].className = 'key hide';
     addContent(this.modeElements_[mode]);
 
-    setupKeyEventHandlers(this, this.modeElements_[mode],
-        { 'down': function() { console.log('Hide the keyboard!'); } });
+    setupKeyEventHandlers(
+        this,
+        this.modeElements_[mode],
+        {'down': function() { setKeyboardVisibility(false); }});
 
     return this.modeElements_[mode];
   }
 };
 
 /**
  * A container for keys.
  * @param {number} position The position of the row (0-3).
  * @param {Array.<BaseKey>} keys The keys in the row.
  * @constructor
@@ skipping 51 matching lines @@
   },
 
   /**
    * Returns the size of keys this row contains.
    * @return {number} The size of keys.
    */
   get length() {
     return this.keys_.length;
   }
 };