[MD Bookmarks] Make folder nodes extend their whole width.

chrome/browser/resources/md_bookmarks/folder_node.html

Index: chrome/browser/resources/md_bookmarks/folder_node.html
diff --git a/chrome/browser/resources/md_bookmarks/folder_node.html b/chrome/browser/resources/md_bookmarks/folder_node.html
index 061536de2faa46c96c6b2b01ab34875afdabfd24..4893187524d329040c51b3fca2ea8f5cc937383e 100644
--- a/chrome/browser/resources/md_bookmarks/folder_node.html
+++ b/chrome/browser/resources/md_bookmarks/folder_node.html
@@ -32,10 +32,7 @@
 
       #container {
         height: 40px;
-      }
-
-      #descendants {
-        -webkit-padding-start: 40.5px;
+        margin-left: calc(var(--node-depth, 0) * 30px);
       }
 
       #folder-label {
@@ -78,7 +75,7 @@
     <div id="descendants" hidden$="[[isClosed]]">
       <template is="dom-repeat" items="[[item.children]]"
           filter="isFolder_" as="child">
-        <bookmarks-folder-node item-id="[[child]]">
+        <bookmarks-folder-node item-id="[[child]]" depth="[[getChildDepth_(depth)]]">

[tsergeant, 2017/03/08 23:26:17]

Nit: Wrap here.

[calamity, 2017/03/09 02:48:53]

Done.

         </bookmarks-folder-node>
       </template>
     </div>