This adds a stub for the mac installer so that the gyp generation won't fail ...

breakpad/breakpad.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'includes': [
     '../build/common.gypi',
   ],
   'target_defaults': {
     'include_dirs': [
       '..',
       '../..',
       '../../breakpad/src',
     ],
   },
   'conditions': [
+    ['OS=="mac"',
+      {
+        'targets': [
+          {
+            'target_name': 'reporter',
+            'type': 'none',
+          },
+        ],
+      },
+    ],
     ['OS=="win"',
       {
         'targets': [
           {
             'target_name': 'o3dBreakpad',
             'type': 'static_library',
             'dependencies': [
               '../../breakpad/breakpad.gyp:breakpad_sender',
               '../../breakpad/breakpad.gyp:breakpad_handler',
             ],
@@ skipping 17 matching lines @@
             'sources': [
               'win/crash_sender_win32.cc',
               '../../<(breakpaddir)/client/windows/sender/crash_report_sender.cc',
             ],
           },
         ],
       },
     ],
   ],
 }