Remove linux coverage scripts.

sync/sync_tests.gypi

 # Copyright 2013 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.
 
 {
   'targets': [
     # Test support files for the 'sync_core' target.
     {
       'target_name': 'test_support_sync_core',
       'type': 'static_library',
@@ skipping 255 matching lines @@
           'syncable/syncable_enum_conversions_unittest.cc',
           'syncable/syncable_id_unittest.cc',
           'syncable/syncable_unittest.cc',
           'syncable/syncable_util_unittest.cc',
           'util/cryptographer_unittest.cc',
           'util/data_type_histogram_unittest.cc',
           'util/get_session_name_unittest.cc',
           'util/nigori_unittest.cc',
           'util/protobuf_unittest.cc',
         ],
-        'conditions': [
-          ['OS == "ios" and coverage != 0', {
-            'sources!': [
-              # These sources can't be built with coverage due to a toolchain
-              # bug: http://openradar.appspot.com/radar?id=1499403
-              'engine/syncer_unittest.cc',
-
-              # These tests crash when run with coverage turned on due to an
-              # issue with llvm_gcda_increment_indirect_counter:
-              # http://crbug.com/156058
-              'syncable/directory_backing_store_unittest.cc',
-            ],
-          }],
-        ],
       },
     },
 
     # Unit tests for the 'sync_notifier' target.  This cannot be a static
     # library because the unit test files have to be compiled directly
     # into the executable, so we push the target files to the
     # depending executable target via direct_dependent_settings.
     {
       'target_name': 'sync_notifier_tests',
       'type': 'none',
@@ skipping 336 matching lines @@
           'variables': {
             'test_suite_name': 'sync_unit_tests',
             'input_shlib_path': '<(SHARED_LIB_DIR)/<(SHARED_LIB_PREFIX)sync_unit_tests<(SHARED_LIB_SUFFIX)',
           },
           'includes': [ '../build/apk_test.gypi' ],
         },
       ],
     }],
   ],
 }