MD Settings: Remove double highlight from paper-checkbox in language menu.

chrome/browser/resources/settings/languages_page/languages_page.html

Index: chrome/browser/resources/settings/languages_page/languages_page.html
diff --git a/chrome/browser/resources/settings/languages_page/languages_page.html b/chrome/browser/resources/settings/languages_page/languages_page.html
index 8ce101def13e6509053d65056bc18d08dc07932e..c664a0dca741579cf0d9c993c39da0470a06464d 100644
--- a/chrome/browser/resources/settings/languages_page/languages_page.html
+++ b/chrome/browser/resources/settings/languages_page/languages_page.html
@@ -59,6 +59,11 @@
       paper-checkbox.dropdown-item {
         --checkbox-margin-start: 0;
       }
+
+      #uiLanguageItem:focus,
+      #offerTranslations:focus {

[dpapad, 2016/11/10 19:38:37]

Need to use id to override the specificity of
https://cs.chromium.org/chromium/src/ui/webui/resources/cr_elements/cr_action....
I am not putting a paper-checkbox CSS rule inside cr_action_menu.html, since I
think this menu is the only one using a checkbox.

[Dan Beam, 2016/11/10 20:28:47]

Acknowledged.

+        background-color: transparent;
+      }
     </style>
     <settings-languages languages="{{languages}}" prefs="{{prefs}}"
         language-helper="{{languageHelper}}">
@@ -206,7 +211,7 @@
                 $i18n{displayInThisLanguage}
             </paper-checkbox>
 </if>
-            <paper-checkbox class="dropdown-item"
+            <paper-checkbox id="offerTranslations" class="dropdown-item"
                 checked="[[detailLanguage_.translateEnabled]]"
                 on-change="onTranslateCheckboxChange_"
                 hidden="[[!prefs.translate.enabled.value]]"