[iOS] Upstream some stability code

ios/chrome/ios_chrome.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': [
     {
@@ skipping 43 matching lines @@
         '../../components/components.gyp:dom_distiller_ios',
         '../../components/components.gyp:enhanced_bookmarks',
         '../../components/components.gyp:favicon_core',
         '../../components/components.gyp:google_core_browser',
         '../../components/components.gyp:history_core_browser',
         '../../components/components.gyp:history_ios_browser',
         '../../components/components.gyp:infobars_core',
         '../../components/components.gyp:keyed_service_core',
         '../../components/components.gyp:keyed_service_ios',
         '../../components/components.gyp:leveldb_proto',
+        '../../components/components.gyp:metrics',
         '../../components/components.gyp:password_manager_core_browser',
         '../../components/components.gyp:pref_registry',
         '../../components/components.gyp:search_engines',
         '../../components/components.gyp:signin_core_browser',
         '../../components/components.gyp:signin_core_common',
         '../../components/components.gyp:suggestions',
         '../../components/components.gyp:sync_driver',
         '../../components/components.gyp:translate_core_browser',
         '../../components/components.gyp:translate_ios_browser',
         '../../components/components.gyp:undo_component',
@@ skipping 59 matching lines @@
         'browser/chrome_paths.h',
         'browser/chrome_paths.mm',
         'browser/chrome_switches.cc',
         'browser/chrome_switches.h',
         'browser/chrome_url_constants.cc',
         'browser/chrome_url_constants.h',
         'browser/chrome_url_util.h',
         'browser/chrome_url_util.mm',
         'browser/crash_loop_detection_util.h',
         'browser/crash_loop_detection_util.mm',
+        'browser/crash_report/breakpad_helper.h',
+        'browser/crash_report/breakpad_helper.mm',
         'browser/crash_report/crash_report_background_uploader.h',
         'browser/crash_report/crash_report_background_uploader.mm',
+        'browser/crash_report/crash_report_multi_parameter.h',
+        'browser/crash_report/crash_report_multi_parameter.mm',
+        'browser/crash_report/crash_report_user_application_state.h',
+        'browser/crash_report/crash_report_user_application_state.mm',
         'browser/content_settings/cookie_settings_factory.cc',
         'browser/content_settings/cookie_settings_factory.h',
         'browser/dom_distiller/distiller_viewer.cc',
         'browser/dom_distiller/distiller_viewer.h',
         'browser/dom_distiller/dom_distiller_service_factory.cc',
         'browser/dom_distiller/dom_distiller_service_factory.h',
         'browser/enhanced_bookmarks/bookmark_image_service_factory.h',
         'browser/enhanced_bookmarks/bookmark_image_service_factory.mm',
         'browser/enhanced_bookmarks/bookmark_image_service_ios.h',
         'browser/enhanced_bookmarks/bookmark_image_service_ios.mm',
@@ skipping 67 matching lines @@
         'browser/installation_notifier.h',
         'browser/installation_notifier.mm',
         'browser/memory/memory_debugger.h',
         'browser/memory/memory_debugger.mm',
         'browser/memory/memory_debugger_manager.h',
         'browser/memory/memory_debugger_manager.mm',
         'browser/memory/memory_metrics.cc',
         'browser/memory/memory_metrics.h',
         'browser/memory/memory_wedge.cc',
         'browser/memory/memory_wedge.h',
+        'browser/metrics/ios_stability_metrics_provider.h',
+        'browser/metrics/ios_stability_metrics_provider.mm',
+        'browser/metrics/previous_session_info.h',
+        'browser/metrics/previous_session_info.mm',
         'browser/net/chrome_cookie_store_ios_client.h',
         'browser/net/chrome_cookie_store_ios_client.mm',
         'browser/net/image_fetcher.h',
         'browser/net/image_fetcher.mm',
         'browser/net/metrics_network_client.h',
         'browser/net/metrics_network_client.mm',
         'browser/net/metrics_network_client_manager.h',
         'browser/net/metrics_network_client_manager.mm',
         'browser/net/retryable_url_fetcher.h',
         'browser/net/retryable_url_fetcher.mm',
@@ skipping 144 matching lines @@
       ],
       'link_settings': {
         'mac_bundle_resources': [
           '<(SHARED_INTERMEDIATE_DIR)/bookmark_image_service_ios.js',
           '<(SHARED_INTERMEDIATE_DIR)/find_in_page.js',
         ],
       },
     },
   ],
 }