[OsSettingsLanguages] Add clear-label for cr-search-field

View: http://screen/5v2LsBwZQWPSmre

Bug: 1113439
Change-Id: Ia777dd80563cdcaaae49ac65310aadb3efa3079f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2419057Reviewed-by: Regan Hsu <hsuregan@chromium.org>
Commit-Queue: My Nguyen <myy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#809057}

chrome/browser/resources/settings/chromeos/os_languages_page/add_input_methods_dialog.html

@@ -45,9 +45,9 @@
     <cr-dialog id="dialog" close-text="$i18n{close}" show-on-attach>
       <div slot="title">$i18n{addInputMethodLabel}</div>
       <div id="dialogBody" slot="body" scrollable>
-        <cr-search-field label="$i18n{searchInputMethodsLabel}"
-            id="search" on-search-changed="onSearchChanged_"
-            on-keydown="onKeydown_" autofocus>
+        <cr-search-field label="$i18n{searchInputMethodsLabel}" id="search"
+            on-search-changed="onSearchChanged_" on-keydown="onKeydown_"
+            clear-label="$i18n{clearSearch}" autofocus>
         </cr-search-field>
         <template is="dom-if" if="[[showSuggestedList_]]">
           <div id="suggestedInputMethods">

chrome/browser/resources/settings/chromeos/os_languages_page/change_device_language_dialog.html

@@ -73,7 +73,7 @@
         </settings-localized-link>
         <cr-search-field class="padded" label="$i18n{searchLanguages}"
             id="search" on-search-changed="onSearchChanged_"
-            on-keydown="onKeydown_" autofocus>
+            clear-label="$i18n{clearSearch}" on-keydown="onKeydown_" autofocus>
         </cr-search-field>
         <iron-list scroll-target="[[$$('[slot=body]')]]"
             items="[[getPossibleDeviceLanguages_(languages.supported,

chrome/browser/resources/settings/chromeos/os_languages_page/os_add_languages_dialog.html

@@ -43,8 +43,8 @@
       <div slot="title">$i18n{addLanguagesDialogTitle}</div>
       <div id="dialog-body" slot="body" scrollable>
         <cr-search-field label="$i18n{searchLanguages}" id="search"
-            on-search-changed="onSearchChanged_"
-            on-keydown="onKeydown_" autofocus>
+            on-search-changed="onSearchChanged_" on-keydown="onKeydown_"
+            clear-label="$i18n{clearSearch}" autofocus>
         </cr-search-field>
         <iron-list class="ripple-padding" scroll-target="[[$$('[slot=body]')]]"
             items="[[getLanguages_(