Take a screenshot in maximize mode when volume down and power are pressed.

ash/ash.gyp

 # 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': {
     'chromium_code': 1,
     'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/chrome',
   },
   'includes': [
@@ skipping 796 matching lines @@
         'test/shelf_test_api.cc',
         'test/shelf_test_api.h',
         'test/shelf_view_test_api.cc',
         'test/shelf_view_test_api.h',
         'test/shell_test_api.cc',
         'test/shell_test_api.h',
         'test/status_area_widget_test_helper.cc',
         'test/status_area_widget_test_helper.h',
         'test/test_activation_delegate.cc',
         'test/test_activation_delegate.h',
+        'test/test_lock_state_controller_delegate.cc',
+        'test/test_lock_state_controller_delegate.h',
         'test/test_screenshot_delegate.cc',
         'test/test_screenshot_delegate.cc',
         'test/test_session_state_delegate.cc',
         'test/test_session_state_delegate.h',
         'test/test_shelf_delegate.cc',
         'test/test_shelf_delegate.h',
         'test/test_shelf_item_delegate.cc',
         'test/test_shelf_item_delegate.h',
         'test/test_shell_delegate.cc',
         'test/test_shell_delegate.h',
@@ skipping 361 matching lines @@
         'ash_shell_lib',
         'ash_test_support',
       ],
       'sources': [
         'shell/window_watcher_unittest.cc',
         'test/ash_unittests.cc',
       ],
     },
   ],
 }