Delete dead code related to the removed helper apps.

chrome/chrome.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,
 
     # Define the common dependencies that contain all the actual
     # Chromium functionality.  This list gets pulled in below by
     # the link of the actual chrome (or chromium) executable on
@@ skipping 212 matching lines @@
               # is needed.  This is also done in the chrome and chrome_dll
               # targets.  In this case, --breakpad=0, --keystone=0, and --scm=0
               # are used because Breakpad, Keystone, and SCM keys are
               # never placed into the helper.
               'postbuild_name': 'Tweak Info.plist',
               'action': ['<(tweak_info_plist_path)',
                          '--breakpad=0',
                          '--keystone=0',
                          '--scm=0'],
             },
-            {
-              # Make sure there isn't any Objective-C in the helper app's
-              # executable.
-              'postbuild_name': 'Verify No Objective-C',
-              'action': [
-                '../build/mac/verify_no_objc.sh',
-              ],
-            },
           ],
           'conditions': [
             ['mac_breakpad==1', {
               'variables': {
                 # A real .dSYM is needed for dump_syms to operate on.
                 'mac_real_dsym': 1,
               },
               'xcode_settings': {
                 # With mac_real_dsym set, strip_from_xcode won't be used.
                 # Specify CHROMIUM_STRIP_SAVE_FILE directly to Xcode.
@@ skipping 584 matching lines @@
                   '<(DEPTH)/third_party/kasko'
                 ],
               },
             },
           },
         },
       ],
     }],
   ],  # 'conditions'
 }