Exports gesture manager to a separate file and adds its unittests.

athena/athena.gyp

 # Copyright 2014 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': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 36 matching lines @@
         'common/fill_layout_manager.cc',
         'common/fill_layout_manager.h',
         'common/switches.cc',
         'common/switches.h',
         'env/athena_env_impl.cc',
         'env/public/athena_env.h',
         'home/app_list_view_delegate.cc',
         'home/app_list_view_delegate.h',
         'home/athena_start_page_view.cc',
         'home/athena_start_page_view.h',
+        'home/home_card_constants.cc',
+        'home/home_card_constants.h',
+        'home/home_card_gesture_manager.cc',
+        'home/home_card_gesture_manager.h',
         'home/home_card_impl.cc',
         'home/minimized_home.cc',
         'home/minimized_home.h',
         'home/public/app_model_builder.h',
         'home/public/home_card.h',
         'input/accelerator_manager_impl.cc',
         'input/accelerator_manager_impl.h',
         'input/input_manager_impl.cc',
         'input/public/accelerator_manager.h',
         'input/public/input_manager.h',
@@ skipping 133 matching lines @@
         '../testing/gtest.gyp:gtest',
         'athena_lib',
         'athena_test_support',
         'main/athena_main.gyp:athena_main_lib',
         'resources/athena_resources.gyp:athena_pak',
       ],
       'sources': [
         'activity/activity_manager_unittest.cc',
         'common/fill_layout_manager_unittest.cc',
         'content/app_activity_unittest.cc',
+        'home/home_card_gesture_manager_unittest.cc',
         'home/home_card_unittest.cc',
         'input/accelerator_manager_unittest.cc',
         'screen/screen_manager_unittest.cc',
         'test/athena_unittests.cc',
         'wm/split_view_controller_unittest.cc',
         'wm/window_list_provider_impl_unittest.cc',
         'wm/window_manager_unittest.cc',
       ],
     }
   ],
 }