Android: Eliminate sync_file_system extensions code.

chrome/chrome_tests_unit.gypi

 # Copyright 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.
 {
   'targets': [
     {
       # This target contains mocks and test utilities that don't belong in
       # production libraries but are used by more than one test executable.
       'target_name': 'test_support_common',
       'type': 'static_library',
@@ skipping 2103 matching lines @@
           ],
         }],
         ['enable_extensions==0', {
           'sources/': [
             ['exclude', '^../apps/'],
             ['exclude', '^../extensions/'],
             ['exclude', '^browser/extensions/activity_log/'],
             ['exclude', '^browser/extensions/api/'],
             ['exclude', '^browser/extensions/error_console/'],
             ['exclude', '^browser/sync/glue/extensions_activity_monitor_unittest.cc'],
+            ['exclude', '^browser/sync_file_system/'],
             ['exclude', '^common/extensions/api/'],
             ['exclude', '^common/extensions/manifest_handlers/'],
             ['exclude', '^common/extensions/manifest_tests/'],
             # This test depends on manifest_tests.
             ['exclude', '^common/extensions/permissions/settings_override_permission_unittest.cc'],
             ['exclude', '^utility/extensions/'],
             ['exclude', '^utility/image_writer/'],
             ['exclude', '^utility/media_galleries/'],
           ],
           'sources!': [
@@ skipping 477 matching lines @@
             'common/net/x509_certificate_model_unittest.cc',
             'test/base/browser_with_test_window_test.cc',
             'test/base/browser_with_test_window_test.h',
             'test/base/test_browser_window.h',
 
             'browser/sessions/persistent_tab_restore_service_unittest.cc',
             'browser/sessions/session_backend_unittest.cc',
 
             # Test files cannot be opened on Android.
             'browser/drive/fake_drive_service_unittest.cc',
-            'browser/sync_file_system/drive_backend/api_util_unittest.cc',
-            'browser/sync_file_system/drive_backend/drive_file_sync_service_sync_unittest.cc',
 
             # The autofill popup is implemented in mostly native code on
             # Android.
             'browser/ui/autofill/autofill_popup_controller_unittest.cc',
 
             # Android uses a different invaliator.
             'browser/invalidation/gcm_invalidation_bridge_unittest.cc',
             'browser/invalidation/ticl_profile_settings_provider_unittest.cc',
 
             # The importer code is not used on Android.
@@ skipping 266 matching lines @@
             'unit_tests.isolate',
           ],
           'sources': [
             'unit_tests.isolate',
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }