[MD settings] checkbox ripple clipping with iron list

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

Index: chrome/browser/resources/settings/languages_page/manage_languages_page.html
diff --git a/chrome/browser/resources/settings/languages_page/manage_languages_page.html b/chrome/browser/resources/settings/languages_page/manage_languages_page.html
index 63ff5d9763bc5946a10d245d5e7b8f7b3925641f..8c0ecc822955b7d6c4af4d585787e43531d6d68c 100644
--- a/chrome/browser/resources/settings/languages_page/manage_languages_page.html
+++ b/chrome/browser/resources/settings/languages_page/manage_languages_page.html
@@ -12,14 +12,20 @@
   <template>
     <style include="settings-shared">
       .list-frame {
+        align-items: initial;
         display: flex;
         flex-direction: column;
-        align-items: initial;
       }
 
       iron-list {
         height: 300px;
       }
+
+      .ripple-padding {
+        /* Create a little extra space for checkbox ink ripple to flow into. */
+        left: -20px;

[tommycli, 2016/06/25 00:31:34]

Is iron-list already position: relative? I thought left property had no effect
unless it was position relative, absolute, or fixed.

[dschuyler, 2016/06/28 19:16:13]

Yeah, it's here:

https://cs.chromium.org/chromium/src/third_party/polymer/v1_0/components-chro...

[tommycli, 2016/06/29 00:00:41]

Maybe add a TODO to investigate a better option?

+        padding-left: 20px;
+      }
     </style>
     <settings-languages languages="{{languages}}"></settings-languages>
     <div class="settings-box first block">
@@ -38,7 +44,7 @@
       </div>
       <h2>$i18n{allLanguages}</h2>
       <div class="list-frame vertical-list">
-        <iron-list items="{{languages.supported}}">
+        <iron-list class="ripple-padding" items="{{languages.supported}}">
           <template>
             <div class="list-item">
               <paper-checkbox