Move nsimage_cache from base to app/mac. Use the app::mac namespace. Update c...

base/base.gypi

 # Copyright (c) 2010 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.
 
 {
   'target_defaults': {
     'variables': {
       'base_target': 0,
     },
     'target_conditions': [
@@ skipping 617 matching lines @@
         'message_pump_glib.h',
         'message_pump_glib_x.cc',
         'message_pump_glib_x.h',
         'message_pump_glib_x_dispatch.h',
         'message_pump_libevent.cc',
         'message_pump_libevent.h',
         'message_pump_mac.h',
         'message_pump_mac.mm',
         'metrics/field_trial.cc',
         'metrics/field_trial.h',
-        'nsimage_cache_mac.h',
-        'nsimage_cache_mac.mm',
         'nss_util.cc',
         'nss_util.h',
         'openssl_util.cc',
         'openssl_util.h',
         'setproctitle_linux.c',
         'setproctitle_linux.h',
         'sha2.cc',
         'sha2.h',
         'sha2_openssl.cc',
         'string16.cc',
@@ skipping 92 matching lines @@
             'third_party/xdg_mime/xdgmimemagic.c',
             'third_party/xdg_mime/xdgmimemagic.h',
             'third_party/xdg_mime/xdgmimeparent.c',
             'third_party/xdg_mime/xdgmimeparent.h',
           ],
         },
       ],
     }],
   ],
 }