Fixed a bug with the unit_tests, which caused it to leave hebrew enabled...

chrome/renderer/mock_keyboard_driver_win.h

 // Copyright (c) 2009 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.
 
 #ifndef CHROME_RENDERER_MOCK_KEYBOARD_DRIVER_WIN_H_
 #define CHROME_RENDERER_MOCK_KEYBOARD_DRIVER_WIN_H_
 
 #include <windows.h>
 
 #include <string>
-
+#include <vector>
 #include "base/basictypes.h"
 
 // Implements the platform-dependent part of a pseudo keyboard device for
 // Windows.
 class MockKeyboardDriverWin {
  public:
   MockKeyboardDriverWin();
   ~MockKeyboardDriverWin();
 
   bool SetLayout(int layout);
   bool SetModifiers(int modifiers);
   int GetCharacters(int key_code, std::wstring* code);
 
  private:
+  void MaybeUnloadActiveLayout();
+
+  // The list of keyboard drivers that are installed on this machine.
+  std::vector<HKL> orig_keyboard_layouts_list_;
+  // The active keyboard driver at the time the Ctor was called.
   HKL original_keyboard_layout_;
+  // The currently active driver.
+  HKL active_keyboard_layout_;
   BYTE original_keyboard_states_[256];
 
-  HKL keyboard_handle_;
   BYTE keyboard_states_[256];
 
   DISALLOW_COPY_AND_ASSIGN(MockKeyboardDriverWin);
 };
 
 #endif  // CHROME_RENDERER_MOCK_KEYBOARD_DRIVER_WIN_H_