ash/wm: Remove dead code.

ui/aura/aura.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,
   },
   'targets': [
     {
@@ skipping 19 matching lines @@
       ],
       'sources': [
         '../wm/public/activation_change_observer.cc',
         '../wm/public/activation_change_observer.h',
         '../wm/public/activation_client.cc',
         '../wm/public/activation_client.h',
         '../wm/public/activation_delegate.cc',
         '../wm/public/activation_delegate.h',
         '../wm/public/animation_host.cc',
         '../wm/public/animation_host.h',
-        '../wm/public/dispatcher_client.cc',
-        '../wm/public/dispatcher_client.h',
         '../wm/public/drag_drop_client.cc',
         '../wm/public/drag_drop_client.h',
         '../wm/public/drag_drop_delegate.cc',
         '../wm/public/drag_drop_delegate.h',
         '../wm/public/scoped_drag_drop_disabler.cc',
         '../wm/public/scoped_drag_drop_disabler.h',
         '../wm/public/scoped_tooltip_disabler.cc',
         '../wm/public/scoped_tooltip_disabler.h',
         '../wm/public/tooltip_client.cc',
         '../wm/public/tooltip_client.h',
@@ skipping 289 matching lines @@
               'dependencies': [
                 '../../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }