[iOS] Upstream some stability code

ios/chrome/ios_chrome_tests.gyp

 # Copyright 2014 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,
   },
   'targets': [
     {
       'target_name': 'ios_chrome_unittests',
       'type': '<(gtest_target_type)',
       'dependencies': [
         '../../base/base.gyp:base',
         '../../base/base.gyp:base_prefs_test_support',
         '../../base/base.gyp:test_support_base',
         '../../components/components.gyp:bookmarks_test_support',
         '../../components/components.gyp:enhanced_bookmarks_test_support',
+        '../../components/components.gyp:metrics',
+        '../../components/components.gyp:metrics_test_support',
         '../../net/net.gyp:net_test_support',
         '../../testing/gmock.gyp:gmock',
         '../../testing/gtest.gyp:gtest',
         '../../third_party/ocmock/ocmock.gyp:ocmock',
         '../ios_tests.gyp:test_support_ios',
         '../web/ios_web.gyp:ios_web',
         '../web/ios_web.gyp:test_support_ios_web',
         'ios_chrome.gyp:ios_chrome_app',
         'ios_chrome.gyp:ios_chrome_browser',
         'ios_chrome.gyp:ios_chrome_common',
         'ios_chrome_test_support',
       ],
       'mac_bundle_resources': [
         'browser/ui/native_content_controller_test.xib'
       ],
       'sources': [
         'app/safe_mode_util_unittest.cc',
         'browser/chrome_url_util_unittest.mm',
         'browser/crash_loop_detection_util_unittest.mm',
         'browser/enhanced_bookmarks/bookmark_image_service_ios_unittest.mm',
         'browser/experimental_flags_unittest.mm',
         'browser/geolocation/CLLocation+XGeoHeaderTest.mm',
         'browser/geolocation/location_manager_unittest.mm',
         'browser/geolocation/omnibox_geolocation_local_state_unittest.mm',
         'browser/install_time_util_unittest.mm',
         'browser/installation_notifier_unittest.mm',
         'browser/memory/memory_wedge_unittest.cc',
+        'browser/metrics/previous_session_info_unittest.mm',
+        'browser/metrics/ios_stability_metrics_provider_unittest.mm',
         'browser/net/image_fetcher_unittest.mm',
         'browser/net/metrics_network_client_unittest.mm',
         'browser/net/retryable_url_fetcher_unittest.mm',
         'browser/signin/gaia_auth_fetcher_ios_unittest.mm',
         'browser/snapshots/snapshot_cache_unittest.mm',
         'browser/snapshots/snapshots_util_unittest.mm',
         'browser/translate/translate_service_ios_unittest.cc',
         'browser/ui/commands/set_up_for_testing_command_unittest.mm',
         'browser/ui/native_content_controller_unittest.mm',
         'browser/ui/ui_util_unittest.mm',
@@ skipping 36 matching lines @@
         'browser/sync/sync_setup_service_mock.h',
         'test/ios_chrome_unit_test_suite.cc',
         'test/ios_chrome_unit_test_suite.h',
         'test/run_all_unittests.cc',
         'test/testing_application_context.cc',
         'test/testing_application_context.h',
       ],
     },
   ],
 }