mash: Move //ash/session to //ash/common/session

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,
     # These files lists are shared with the GN build.
     'ash_sources': [
       'accelerators/accelerator_commands.cc',
@@ skipping 45 matching lines @@
       'aura/wm_window_aura.cc',
       'aura/wm_window_aura.h',
       'autoclick/autoclick_controller.cc',
       'autoclick/autoclick_controller.h',
       'cancel_mode.cc',
       'cancel_mode.h',
       'cast_config_delegate.cc',
       'cast_config_delegate.h',
       'common/root_window_controller_common.cc',
       'common/root_window_controller_common.h',
+      'common/session/session_state_delegate.cc',
+      'common/session/session_state_delegate.h',
+      'common/session/session_state_observer.cc',
+      'common/session/session_state_observer.h',
+      'common/session/session_types.h',

[James Cook, 2016/06/07 21:30:00]

This one was missing before.

       'common/shelf/shelf_constants.cc',
       'common/shelf/shelf_constants.h',
       'common/shelf/shelf_item_delegate.h',
       'common/shelf/shelf_item_delegate_manager.cc',
       'common/shelf/shelf_item_delegate_manager.h',
       'common/shelf/shelf_item_types.cc',
       'common/shelf/shelf_item_types.h',
       'common/shelf/shelf_model.cc',
       'common/shelf/shelf_model.h',
       'common/shelf/shelf_model_observer.h',
@@ skipping 256 matching lines @@
       'rotator/screen_rotation_animation.h',
       'rotator/screen_rotation_animator.cc',
       'rotator/screen_rotation_animator.h',
       'rotator/window_rotation.cc',
       'rotator/window_rotation.h',
       'scoped_target_root_window.cc',
       'scoped_target_root_window.h',
       'screen_util.cc',
       'screen_util.h',
       'screenshot_delegate.h',
-      'session/session_state_delegate.cc',
-      'session/session_state_delegate.h',
-      'session/session_state_observer.cc',
-      'session/session_state_observer.h',
       'shelf/app_list_button.cc',
       'shelf/app_list_button.h',
       'shelf/app_list_shelf_item_delegate.cc',
       'shelf/app_list_shelf_item_delegate.h',
       'shelf/overflow_bubble.cc',
       'shelf/overflow_bubble.h',
       'shelf/overflow_bubble_view.cc',
       'shelf/overflow_bubble_view.h',
       'shelf/overflow_button.cc',
       'shelf/overflow_button.h',
@@ skipping 1087 matching lines @@
                   '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
                 ],
               }
             ],
           ],
         },
       ],
     }],
   ],
 }