Settings WebUI: fix row lines on "Get Started" section

browser/resources/settings/brave_overrides/default_browser_page.js

@@ -0,0 +1,30 @@
+// Copyright (c) 2020 The Brave Authors. All rights reserved.
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// you can obtain one at http://mozilla.org/MPL/2.0/.
+
+import {RegisterPolymerTemplateModifications} from 'chrome://brave-resources/polymer_overriding.js'
+
+function queryInAllTemplates(element, selector, onFound) {
+  if (!element) {
+    return
+  }
+  for (const foundElement of element.querySelectorAll(selector)) {
+    onFound(foundElement)
+  }
+  for (const foundTemplate of element.querySelectorAll('template')) {
+    if (foundTemplate.content) {
+      queryInAllTemplates(foundTemplate.content, selector, onFound)
+    }
+  }
+}
+
+RegisterPolymerTemplateModifications({
+  'settings-default-browser-page': (templateContent) => {
+    // Stop both versions thinking they are the first, since this item is added
+    // to Brave's "Get Started" section.
+    queryInAllTemplates(templateContent, '.cr-row.first', function (element) {
+      element.classList.remove('first')
+    })
+  }
+})

browser/resources/settings/brave_overrides/index.js

@@ -13,6 +13,7 @@ import './about_page.js'
 import './appearance_page.js'
 import './basic_page.js'
 import './clear_browsing_data_dialog.js'
+import './default_browser_page.js'
 import './icons.js'
 import './import_data_dialog.js'
 import './page_visibility.js'

browser/resources/settings/settings_resources.grd

@@ -44,6 +44,11 @@
           compress="false"
           preprocess="true"
           type="BINDATA" />
+      <include name="IDR_SETTINGS_BRAVE_OVERRIDES_DEFAULT_BROWSER_PAGE_JS"
+          file="brave_overrides/default_browser_page.js"
+          compress="false"
+          preprocess="true"
+          type="BINDATA" />
       <include name="IDR_SETTINGS_BRAVE_OVERRIDES_ICONS_JS"
           file="brave_overrides/icons.js"
           compress="false"