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

breakpad/breakpad_handler.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': {
       'breakpad_handler_target': 0,
     },
     'target_conditions': [
@@ skipping 55 matching lines @@
             'breakpad_handler_target': 1,
           },
           # 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': [
               'src',
             ],
           },
           'configurations': {
-            'Common': {
+            'Common_Base': {
               'msvs_target_platform': 'x64',
             },
           },
         },
       ],
     }],
   ],
 }