| Index: ash/BUILD.gn | 
| diff --git a/ash/BUILD.gn b/ash/BUILD.gn | 
| index 88736fa0a5c9a0dabcb9203fc40f0d84ccdc22bd..e385c47283584252fedf9e6477de6671ba3a945b 100644 | 
| --- a/ash/BUILD.gn | 
| +++ b/ash/BUILD.gn | 
| @@ -42,8 +42,6 @@ component("ash") { | 
| "accelerators/magnifier_key_scroller.h", | 
| "accelerators/spoken_feedback_toggler.cc", | 
| "accelerators/spoken_feedback_toggler.h", | 
| -    "accessibility_delegate.h", | 
| -    "accessibility_types.h", | 
| "animation/animation_change_type.h", | 
| "app_list/app_list_delegate_impl.cc", | 
| "app_list/app_list_delegate_impl.h", | 
| @@ -51,13 +49,7 @@ component("ash") { | 
| "app_list/app_list_presenter_delegate.h", | 
| "app_list/app_list_presenter_delegate_factory.cc", | 
| "app_list/app_list_presenter_delegate_factory.h", | 
| -    "ash_constants.cc", | 
| -    "ash_constants.h", | 
| "ash_export.h", | 
| -    "ash_layout_constants.cc", | 
| -    "ash_layout_constants.h", | 
| -    "ash_switches.cc", | 
| -    "ash_switches.h", | 
| "ash_touch_exploration_manager_chromeos.cc", | 
| "ash_touch_exploration_manager_chromeos.h", | 
| "aura/aura_layout_manager_adapter.cc", | 
| @@ -72,18 +64,76 @@ component("ash") { | 
| "autoclick/autoclick_controller.h", | 
| "cancel_mode.cc", | 
| "cancel_mode.h", | 
| -    "cast_config_controller.cc", | 
| -    "cast_config_controller.h", | 
| +    "common/accessibility_delegate.h", | 
| +    "common/accessibility_types.h", | 
| +    "common/ash_constants.cc", | 
| +    "common/ash_constants.h", | 
| +    "common/ash_layout_constants.cc", | 
| +    "common/ash_layout_constants.h", | 
| +    "common/ash_switches.cc", | 
| +    "common/ash_switches.h", | 
| +    "common/cast_config_controller.cc", | 
| +    "common/cast_config_controller.h", | 
| +    "common/default_accessibility_delegate.cc", | 
| +    "common/default_accessibility_delegate.h", | 
| +    "common/devtools/ash_devtools_css_agent.cc", | 
| +    "common/devtools/ash_devtools_css_agent.h", | 
| +    "common/devtools/ash_devtools_dom_agent.cc", | 
| +    "common/devtools/ash_devtools_dom_agent.h", | 
| +    "common/focus_cycler.cc", | 
| +    "common/focus_cycler.h", | 
| +    "common/gpu_support.h", | 
| +    "common/gpu_support_stub.cc", | 
| +    "common/gpu_support_stub.h", | 
| +    "common/key_event_watcher.cc", | 
| +    "common/key_event_watcher.h", | 
| +    "common/keyboard/keyboard_ui.cc", | 
| +    "common/keyboard/keyboard_ui.h", | 
| +    "common/keyboard/keyboard_ui_observer.h", | 
| +    "common/login_status.h", | 
| +    "common/material_design/material_design_controller.cc", | 
| +    "common/material_design/material_design_controller.h", | 
| +    "common/media_controller.cc", | 
| +    "common/media_controller.h", | 
| +    "common/mojo_interface_factory.cc", | 
| +    "common/mojo_interface_factory.h", | 
| +    "common/multi_profile_uma.cc", | 
| +    "common/multi_profile_uma.h", | 
| +    "common/new_window_controller.cc", | 
| +    "common/new_window_controller.h", | 
| +    "common/palette_delegate.h", | 
| +    "common/scoped_root_window_for_new_windows.cc", | 
| +    "common/scoped_root_window_for_new_windows.h", | 
| +    "common/session/session_controller.cc", | 
| +    "common/session/session_controller.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/shell_delegate.h", | 
| +    "common/shutdown_controller.cc", | 
| +    "common/shutdown_controller.h", | 
| +    "common/wallpaper/wallpaper_controller.cc", | 
| +    "common/wallpaper/wallpaper_controller.h", | 
| +    "common/wallpaper/wallpaper_controller_observer.h", | 
| +    "common/wallpaper/wallpaper_delegate.h", | 
| +    "common/wallpaper/wallpaper_view.cc", | 
| +    "common/wallpaper/wallpaper_view.h", | 
| +    "common/wallpaper/wallpaper_widget_controller.cc", | 
| +    "common/wallpaper/wallpaper_widget_controller.h", | 
| +    "common/wm_activation_observer.h", | 
| +    "common/wm_display_observer.h", | 
| +    "common/wm_layout_manager.h", | 
| +    "common/wm_shell.cc", | 
| +    "common/wm_shell.h", | 
| +    "common/wm_transient_window_observer.h", | 
| +    "common/wm_window.cc", | 
| +    "common/wm_window.h", | 
| +    "common/wm_window_user_data.h", | 
| "debug.cc", | 
| "debug.h", | 
| -    "default_accessibility_delegate.cc", | 
| -    "default_accessibility_delegate.h", | 
| "default_wallpaper_delegate.cc", | 
| "default_wallpaper_delegate.h", | 
| -    "devtools/ash_devtools_css_agent.cc", | 
| -    "devtools/ash_devtools_css_agent.h", | 
| -    "devtools/ash_devtools_dom_agent.cc", | 
| -    "devtools/ash_devtools_dom_agent.h", | 
| "display/cursor_window_controller.cc", | 
| "display/cursor_window_controller.h", | 
| "display/display_animator.h", | 
| @@ -143,8 +193,6 @@ component("ash") { | 
| "first_run/first_run_helper.h", | 
| "first_run/first_run_helper_impl.cc", | 
| "first_run/first_run_helper_impl.h", | 
| -    "focus_cycler.cc", | 
| -    "focus_cycler.h", | 
| "frame/caption_buttons/caption_button_types.h", | 
| "frame/caption_buttons/frame_caption_button.cc", | 
| "frame/caption_buttons/frame_caption_button.h", | 
| @@ -164,9 +212,6 @@ component("ash") { | 
| "frame/header_painter_util.h", | 
| "frame/header_view.cc", | 
| "frame/header_view.h", | 
| -    "gpu_support.h", | 
| -    "gpu_support_stub.cc", | 
| -    "gpu_support_stub.h", | 
| "high_contrast/high_contrast_controller.cc", | 
| "high_contrast/high_contrast_controller.h", | 
| "host/ash_window_tree_host.cc", | 
| @@ -183,11 +228,6 @@ component("ash") { | 
| "host/transformer_helper.h", | 
| "ime/input_method_event_handler.cc", | 
| "ime/input_method_event_handler.h", | 
| -    "key_event_watcher.cc", | 
| -    "key_event_watcher.h", | 
| -    "keyboard/keyboard_ui.cc", | 
| -    "keyboard/keyboard_ui.h", | 
| -    "keyboard/keyboard_ui_observer.h", | 
| "laser/laser_pointer_controller.cc", | 
| "laser/laser_pointer_controller.h", | 
| "laser/laser_pointer_points.cc", | 
| @@ -200,15 +240,10 @@ component("ash") { | 
| "link_handler_model.h", | 
| "link_handler_model_factory.cc", | 
| "link_handler_model_factory.h", | 
| -    "login_status.h", | 
| "magnifier/magnification_controller.cc", | 
| "magnifier/magnification_controller.h", | 
| "magnifier/partial_magnification_controller.cc", | 
| "magnifier/partial_magnification_controller.h", | 
| -    "material_design/material_design_controller.cc", | 
| -    "material_design/material_design_controller.h", | 
| -    "media_controller.cc", | 
| -    "media_controller.h", | 
| "metrics/desktop_task_switch_metric_recorder.cc", | 
| "metrics/desktop_task_switch_metric_recorder.h", | 
| "metrics/gesture_action_type.h", | 
| @@ -221,13 +256,6 @@ component("ash") { | 
| "metrics/user_metrics_action.h", | 
| "metrics/user_metrics_recorder.cc", | 
| "metrics/user_metrics_recorder.h", | 
| -    "mojo_interface_factory.cc", | 
| -    "mojo_interface_factory.h", | 
| -    "multi_profile_uma.cc", | 
| -    "multi_profile_uma.h", | 
| -    "new_window_controller.cc", | 
| -    "new_window_controller.h", | 
| -    "palette_delegate.h", | 
| "root_window_controller.cc", | 
| "root_window_controller.h", | 
| "root_window_settings.cc", | 
| @@ -238,17 +266,9 @@ component("ash") { | 
| "rotator/screen_rotation_animator.h", | 
| "rotator/window_rotation.cc", | 
| "rotator/window_rotation.h", | 
| -    "scoped_root_window_for_new_windows.cc", | 
| -    "scoped_root_window_for_new_windows.h", | 
| "screen_util.cc", | 
| "screen_util.h", | 
| "screenshot_delegate.h", | 
| -    "session/session_controller.cc", | 
| -    "session/session_controller.h", | 
| -    "session/session_state_delegate.cc", | 
| -    "session/session_state_delegate.h", | 
| -    "session/session_state_observer.cc", | 
| -    "session/session_state_observer.h", | 
| "shared/immersive_context.cc", | 
| "shared/immersive_context.h", | 
| "shared/immersive_focus_watcher.h", | 
| @@ -320,10 +340,7 @@ component("ash") { | 
| "shelf/wm_shelf_util.h", | 
| "shell.cc", | 
| "shell.h", | 
| -    "shell_delegate.h", | 
| "shell_init_params.h", | 
| -    "shutdown_controller.cc", | 
| -    "shutdown_controller.h", | 
| "sticky_keys/sticky_keys_controller.cc", | 
| "sticky_keys/sticky_keys_controller.h", | 
| "sticky_keys/sticky_keys_overlay.cc", | 
| @@ -608,14 +625,6 @@ component("ash") { | 
| "utility/screenshot_controller.h", | 
| "virtual_keyboard_controller.cc", | 
| "virtual_keyboard_controller.h", | 
| -    "wallpaper/wallpaper_controller.cc", | 
| -    "wallpaper/wallpaper_controller.h", | 
| -    "wallpaper/wallpaper_controller_observer.h", | 
| -    "wallpaper/wallpaper_delegate.h", | 
| -    "wallpaper/wallpaper_view.cc", | 
| -    "wallpaper/wallpaper_view.h", | 
| -    "wallpaper/wallpaper_widget_controller.cc", | 
| -    "wallpaper/wallpaper_widget_controller.h", | 
| "wm/always_on_top_controller.cc", | 
| "wm/always_on_top_controller.h", | 
| "wm/ash_focus_rules.cc", | 
| @@ -821,15 +830,6 @@ component("ash") { | 
| "wm/workspace/workspace_window_resizer.h", | 
| "wm/workspace_controller.cc", | 
| "wm/workspace_controller.h", | 
| -    "wm_activation_observer.h", | 
| -    "wm_display_observer.h", | 
| -    "wm_layout_manager.h", | 
| -    "wm_shell.cc", | 
| -    "wm_shell.h", | 
| -    "wm_transient_window_observer.h", | 
| -    "wm_window.cc", | 
| -    "wm_window.h", | 
| -    "wm_window_user_data.h", | 
| ] | 
|  | 
| configs += [ "//build/config:precompiled_headers" ] | 
| @@ -1157,7 +1157,12 @@ source_set("common_unittests") { | 
| "accelerators/spoken_feedback_toggler_unittest.cc", | 
| "ash_touch_exploration_manager_chromeos_unittest.cc", | 
| "autoclick/autoclick_unittest.cc", | 
| -    "devtools/ash_devtools_unittest.cc", | 
| +    "common/devtools/ash_devtools_unittest.cc", | 
| +    "common/mus_property_mirror_ash_unittest.cc", | 
| +    "common/session/session_controller_unittest.cc", | 
| +    "common/wallpaper/wallpaper_controller_unittest.cc", | 
| +    "common/wm_window_unittest.cc", | 
| +    "common/wm_window_user_data_unittest.cc", | 
| "drag_drop/drag_image_view_unittest.cc", | 
| "first_run/first_run_helper_unittest.cc", | 
| "focus_cycler_unittest.cc", | 
| @@ -1173,11 +1178,9 @@ source_set("common_unittests") { | 
| "metrics/task_switch_metrics_recorder_unittest.cc", | 
| "metrics/task_switch_time_tracker_unittest.cc", | 
| "metrics/user_metrics_recorder_unittest.cc", | 
| -    "mus_property_mirror_ash_unittest.cc", | 
| "root_window_controller_unittest.cc", | 
| "rotator/screen_rotation_animation_unittest.cc", | 
| "screen_util_unittest.cc", | 
| -    "session/session_controller_unittest.cc", | 
| "shelf/shelf_application_menu_model_unittest.cc", | 
| "shelf/shelf_background_animator_unittest.cc", | 
| "shelf/shelf_button_pressed_metric_tracker_unittest.cc", | 
| @@ -1229,7 +1232,6 @@ source_set("common_unittests") { | 
| "system/web_notification/web_notification_tray_unittest.cc", | 
| "test/ash_test_helper_unittest.cc", | 
| "tooltips/tooltip_controller_unittest.cc", | 
| -    "wallpaper/wallpaper_controller_unittest.cc", | 
| "wm/ash_focus_rules_unittest.cc", | 
| "wm/container_finder_unittest.cc", | 
| "wm/dock/docked_window_layout_manager_unittest.cc", | 
| @@ -1241,8 +1243,6 @@ source_set("common_unittests") { | 
| "wm/mru_window_tracker_unittest.cc", | 
| "wm/overview/cleanup_animation_observer_unittest.cc", | 
| "wm/workspace/workspace_layout_manager_unittest.cc", | 
| -    "wm_window_unittest.cc", | 
| -    "wm_window_user_data_unittest.cc", | 
| ] | 
| deps = [ | 
| "//ash", | 
|  |