[OsSettingsSearch] Remove navigated to route announcement.

Do not announce a route has been navigated to when a OS Settings search
result is clicked/entered upon.

Fixed: 1071283
Change-Id: I522643ffa7d18afd49699eb83e6dabb7e059261b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2158685
Commit-Queue: Regan Hsu <hsuregan@chromium.org>
Reviewed-by: Kyle Horimoto <khorimoto@chromium.org>
Cr-Commit-Position: refs/heads/master@{#762090}

chrome/app/os_settings_strings.grdp

@@ -23,9 +23,6 @@
   <message name="IDS_OS_SEARCH_RESULT_ROW_A11Y_RESULT_SELECTED" desc="ChromeVox alert to indicate the position number of a selected result in a list of search results and the selected result text itself, and that the user can press enter to navigate to section described by the search result.">
     Search result <ph name="LIST_POSITION">$1<ex>1</ex></ph> of <ph name="LIST_SIZE">$2<ex>2</ex></ph>: <ph name="SEARCH_RESULT_TEXT">$3<ex>Network Settings</ex></ph>. Press Enter to navigate to section.
   </message>
-  <message name="IDS_OS_SEARCH_RESULT_ROW_A11Y_NAVIGATED_TO_RESULT" desc="ChromeVox alert to indicate that the user has navigated to a search result after having clicked or pressed enter on a search result.">
-    Navigated to <ph name="SEARCH_RESULT_TEXT">$1<ex>Network Settings</ex></ph>.
-  </message>
   <message name="IDS_OS_SEARCH_BOX_A11Y_ONE_RESULT" desc="ChromeVox alert to indicate the that one search result has been found.">
     Displaying 1 search result for <ph name="QUERY">$1<ex>Wi-Fi</ex>.</ph>
   </message>

chrome/browser/resources/settings/chromeos/os_settings_search_box/os_search_result_row.js

@@ -339,13 +339,7 @@ cr.define('settings', function() {
           new URLSearchParams(pathAndOptParams[1]) :
           undefined;
 
-      // TODO(crbug/1071283): The announcement should occur before any
-      // announcements at the new route.
-      this.fire(
-          'iron-announce',
-          {text: this.i18n('searchResultNavigatedTo', this.resultText_)});
       settings.Router.getInstance().navigateTo(route, params);
-
       this.fire('navigated-to-result-route');
     },
 

chrome/browser/ui/webui/settings/chromeos/os_settings_localized_strings_provider.cc

@@ -903,8 +903,6 @@ void AddSearchInSettingsStrings(content::WebUIDataSource* html_source) {
       {"searchNoResults", IDS_SEARCH_NO_RESULTS},
       {"searchResults", IDS_SEARCH_RESULTS},
       {"searchResultSelected", IDS_OS_SEARCH_RESULT_ROW_A11Y_RESULT_SELECTED},
-      {"searchResultNavigatedTo",
-       IDS_OS_SEARCH_RESULT_ROW_A11Y_NAVIGATED_TO_RESULT},
       {"searchResultsOne", IDS_OS_SEARCH_BOX_A11Y_ONE_RESULT},
       {"searchResultsNumber", IDS_OS_SEARCH_BOX_A11Y_RESULT_COUNT},
       // TODO(dpapad): IDS_DOWNLOAD_CLEAR_SEARCH and IDS_HISTORY_CLEAR_SEARCH