MD Extensions: fix detail_view toggle layout

Bug: 776483
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: Ia2679f9900910141d8c998619963b0a140ff6633
Reviewed-on: https://chromium-review.googlesource.com/728862Reviewed-by: Dave Schuyler <dschuyler@chromium.org>
Commit-Queue: Scott Chen <scottchen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#510210}

chrome/browser/resources/md_extensions/detail_view.html

@@ -173,8 +173,7 @@
           <img alt="" id="icon" src="[[data.iconUrl]]">
           <span id="name">[[data.name]]</span>
         </div>
-        <div class="section continuation" id="enable-section">
-          <div class="control-line">
+        <div class="section continuation control-line" id="enable-section">
           <span class$="{{computeEnabledStyle_(data.state)}}">
             [[computeEnabledText_(data.state)]]
           </span>
@@ -191,7 +190,6 @@
             </cr-toggle>
           </div>
         </div>
-        </div>
         <div id="warnings" hidden$="[[!hasWarnings_(data.*)]]">
           <div class="section continuation warning" id="suspicious-warning"
               hidden$="[[!data.disableReasons.suspiciousInstall]]">