Add metrics for search engine promo and search widget

chrome/android/BUILD.gn

 # 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.
 
 import("//android_webview/webview_repack_locales_list.gni")
 import("//build/config/android/config.gni")
 import("//build/config/android/rules.gni")
 import("//build/util/process_version.gni")
 import("//chrome/android/chrome_public_apk_tmpl.gni")
 import("//chrome/android/monochrome_android_manifest_jinja_variables.gni")
@@ skipping 247 matching lines @@
     "//chrome:sad_tab_event_enum_javagen",
     "//chrome:signin_metrics_enum_javagen",
     "//components/browsing_data/core:browsing_data_utils_java",
     "//components/browsing_data/core:clear_browsing_data_tab_java",
     "//components/infobars/core:infobar_enums_java",
     "//components/ntp_snippets:ntp_snippets_java_enums_srcjar",
     "//components/ntp_tiles:ntp_tiles_enums_java",
     "//components/offline_pages/core:offline_page_model_enums_java",
     "//components/omnibox/browser:autocomplete_match_javagen",
     "//components/omnibox/browser:autocomplete_match_type_javagen",
+    "//components/search_engines:search_engine_type_java",
     "//components/security_state/core:security_state_enums_java",
     "//components/signin/core/browser:investigated_scenario_java",
     "//components/supervised_user_error_page:enums_srcjar",
   ]
 
   # Manifest used for linting (determining unused resources).
   android_manifest = chrome_public_android_manifest
 
   # From java_sources.gni.
   java_files = chrome_java_sources + [ app_hooks_impl ]
@@ skipping 687 matching lines @@
   apk_name = "ChromeSyncShellTest"
   apk_under_test = ":chrome_sync_shell_apk"
   android_manifest = chrome_sync_shell_test_apk_manifest
   android_manifest_dep = ":chrome_sync_shell_test_apk_manifest"
   deps = [
     ":chrome_sync_shell_test_apk_java",
     "//third_party/android_support_test_runner:runner_java",
   ]
   proguard_enabled = !is_java_debug
 }