[MD settings] separate spacing of controlled-by icon and control-label

chrome/browser/resources/settings/controls/controlled_radio_button.html

 <link rel="import" href="chrome://resources/cr_elements/policy/cr_policy_pref_indicator.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-a11y-keys-behavior/iron-a11y-keys-behavior.html">
 <link rel="import" href="pref_control_behavior.html">
 <link rel="import" href="../prefs/pref_util.html">
 <link rel="import" href="../settings_shared_css.html">
 
 <dom-module id="controlled-radio-button">
   <template>
     <style include="settings-shared">
@@ skipping 94 matching lines @@
       :host([controlled_][checked]) .disc {
         background-color: var(--paper-radio-button-unchecked-color,
                               --primary-text-color);
       }
 
       :host([controlled_]) #labelWrapper {
         opacity: .65;
       }
 
       cr-policy-pref-indicator {
-        -webkit-margin-start: var(--settings-control-spacing);
+        -webkit-margin-start: var(--settings-controlled-by-spacing);
         /* Enable pointer events for the indicator so :hover works. Disable
          * clicks/taps via onIndicatorTap_ so outer on-tap doesn't trigger. */
         pointer-events: all;
       }
     </style>
 
     <div class="disc-wrapper">
       <div class="circle"></div>
       <div class="disc"></div>
       <paper-ripple center hold-down="[[pressed_]]"></paper-ripple>
     </div>
 
     <div id="labelWrapper">
       <span id="label" hidden$="[[!label]]">[[label]]</span>
       <content></content>
     </div>
 
     <template is="dom-if" if="[[showIndicator_(controlled_, name, pref.*)]]">
       <cr-policy-pref-indicator pref="[[pref]]" on-tap="onIndicatorTap_"
           icon-aria-label="[[label]]">
       </cr-policy-pref-indicator>
     </template>
 
   </template>
   <script src="controlled_radio_button.js"></script>
 </dom-module>