Adds a FakeToolbarModel for use in testing.

chrome/chrome_tests.gypi

 # Copyright (c) 2012 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.
 {
   'variables' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 1889 matching lines @@
         'browser/ui/tabs/tab_menu_model_unittest.cc',
         'browser/ui/tabs/tab_strip_model_unittest.cc',
         'browser/ui/tabs/tab_strip_selection_model_unittest.cc',
         'browser/ui/tabs/test_tab_strip_model_delegate.cc',
         'browser/ui/tabs/test_tab_strip_model_delegate.h',
         'browser/ui/tests/ui_gfx_image_unittest.cc',
         'browser/ui/tests/ui_gfx_image_unittest.mm',
         'browser/ui/toolbar/back_forward_menu_model_unittest.cc',
         'browser/ui/toolbar/encoding_menu_controller_unittest.cc',
         'browser/ui/toolbar/toolbar_model_unittest.cc',
+        'browser/ui/toolbar/test_toolbar_model.cc',
+        'browser/ui/toolbar/test_toolbar_model.h',
         'browser/ui/toolbar/wrench_menu_model_unittest.cc',
         'browser/ui/views/accelerator_table_unittest.cc',
         'browser/ui/views/accessibility/accessibility_event_router_views_unittest.cc',
         'browser/ui/views/bookmarks/bookmark_context_menu_test.cc',
         'browser/ui/views/bookmarks/bookmark_editor_view_unittest.cc',
         'browser/ui/views/crypto_module_password_dialog_view_unittest.cc',
         'browser/ui/views/extensions/browser_action_drag_data_unittest.cc',
         'browser/ui/views/first_run_bubble_unittest.cc',
         'browser/ui/views/reload_button_unittest.cc',
         'browser/ui/views/select_file_dialog_extension_unittest.cc',
@@ skipping 2948 matching lines @@
                 '--result', '<@(_outputs)',
                 '--isolate', 'browser_tests.isolate',
               ],
             },
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }