Allow javascript change the virtual keyboard window size and position freely in FLOATING mode

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 579 matching lines @@
       'wm/system_gesture_event_filter.h',
       'wm/system_modal_container_event_filter.cc',
       'wm/system_modal_container_event_filter.h',
       'wm/system_modal_container_event_filter_delegate.h',
       'wm/system_modal_container_layout_manager.cc',
       'wm/system_modal_container_layout_manager.h',
       'wm/toplevel_window_event_handler.cc',
       'wm/toplevel_window_event_handler.h',
       'wm/video_detector.cc',
       'wm/video_detector.h',
-      'wm/virtual_keyboard_container_layout_manager.cc',
-      'wm/virtual_keyboard_container_layout_manager.h',
       'wm/window_animations.cc',
       'wm/window_animations.h',
       'wm/window_cycle_controller.cc',
       'wm/window_cycle_controller.h',
       'wm/window_cycle_list.cc',
       'wm/window_cycle_list.h',
       'wm/window_positioner.cc',
       'wm/window_positioner.h',
       'wm/window_properties.cc',
       'wm/window_properties.h',
@@ skipping 691 matching lines @@
                   '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
                 ],
               }
             ],
           ],
         },
       ],
     }],
   ],
 }