Move frame related code to ash/frame, plus add OWNERS file.

An attempt to reduce and reorg files in ash/wm as it has too many files.

BUG=None
[email protected], [email protected]

Review URL: https://codereview.chromium.org/196653008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256891 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/ash/shell.cc b/ash/shell.cc
index ee56b839..a2bbd0a 100644
--- a/ash/shell.cc
+++ b/ash/shell.cc
@@ -26,6 +26,7 @@
 #include "ash/drag_drop/drag_drop_controller.h"
 #include "ash/first_run/first_run_helper_impl.h"
 #include "ash/focus_cycler.h"
+#include "ash/frame/custom_frame_view_ash.h"
 #include "ash/gpu_support.h"
 #include "ash/high_contrast/high_contrast_controller.h"
 #include "ash/host/window_tree_host_factory.h"
@@ -55,7 +56,6 @@
 #include "ash/wm/ash_focus_rules.h"
 #include "ash/wm/ash_native_cursor_manager.h"
 #include "ash/wm/coordinate_conversion.h"
-#include "ash/wm/custom_frame_view_ash.h"
 #include "ash/wm/event_client_impl.h"
 #include "ash/wm/lock_state_controller.h"
 #include "ash/wm/maximize_mode/maximize_mode_window_manager.h"