Rearrange build configurations - make it clearer and allow better support for...

ipc/ipc.gypi

 # Copyright (c) 2009 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': {
       'ipc_target': 0,
     },
     'target_conditions': [
@@ skipping 64 matching lines @@
             '../base/base.gyp:base_nacl_win64',
           ],
           # TODO(gregoryd): direct_dependent_settings should be shared with the
           # 32-bit target, but it doesn't work due to a bug in gyp
           'direct_dependent_settings': {
             'include_dirs': [
               '..',
             ],
           },
           'configurations': {
-            'Common': {
+            'Common_Base': {
               'msvs_target_platform': 'x64',
             },
           },
         },
       ],
     }],
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: