[MD settings] change spacing between controlledBy icon and control

chrome/browser/resources/settings/settings_shared_css.html

 <link rel="import" href="chrome://resources/cr_elements/shared_style_css.html">
 <link rel="import" href="settings_vars_css.html">
 
 <!-- Common styles for Material Design settings. -->
 <dom-module id="settings-shared">
   <template>
     <style include="cr-shared-style">
       /* Included here so we don't have to include "iron-positioning" in every
        * stylesheet. See crbug.com/498405. */
       [hidden] {
@@ skipping 35 matching lines @@
         margin: 0;
       }
 
       paper-button[toggles][active] {
         background-color: var(--paper-grey-300);
       }
 
       paper-toggle-button {
         @apply(--settings-actionable);
         height: var(--settings-row-min-height);
-        width: 31px;
+        width: 36px;
       }
 
       span ~ a {
         -webkit-margin-start: 4px;
       }
 
       .primary-button,
       a[href] {
         color: var(--google-blue-700);
       }
 
       .primary-button {
         --paper-button-flat-keyboard-focus: {
           background: rgba(51, 103, 214, .12);  /* --google-blue-700 */
         };
       }
 
       a[href] {
         text-decoration: none;
       }
 
       /* There are three main button styles, .primary-button and
        * .secondary-button. The primary is the action button (e.g. "edit",
        * "delete") while the secondary is often a "Cancel" button. A tertiary
        * button may be used to get more information or similar, that we expect
        * most users will not need. */
       .primary-button {
         --paper-button: {
+          -webkit-padding-end: var(--settings-button-padding);
+          -webkit-padding-start: var(--settings-button-padding);
           font-weight: 500;
           text-align: start;
         };
       }
 
       .primary-toggle {
         color: var(--paper-grey-600);
         font-weight: 500;
       }
 
       .primary-toggle[checked] {
         color: var(--google-blue-500);
       }
 
       /* See notes in .primary-button. */
       .secondary-button {
         --paper-button: {
+          -webkit-padding-end: var(--settings-button-padding);
+          -webkit-padding-start: var(--settings-button-padding);
           color: var(--paper-grey-600);
           font-weight: 500;
           min-width: 1em;  /* A tighter fit than 5.14em for short buttons. */
           text-decoration: none;
         };
         --paper-button-flat-keyboard-focus: {
           background: rgba(0, 0, 0, .12);
         };
       }
 
       .settings-box .primary-button,
-      .settings-box .secondary-button,
       .settings-box .secondary-button {
-        -webkit-margin-end: -12px;
-        -webkit-margin-start: -12px;
-        -webkit-padding-end: 12px;
-        -webkit-padding-start: 12px;
+        -webkit-margin-end: calc(var(--settings-button-padding) * -1);
+        -webkit-margin-start: calc(var(--settings-button-padding) * -1);
       }
 
       paper-checkbox {
         --paper-checkbox-checked-color: var(--google-blue-500);
         --paper-checkbox-label-spacing: var(--settings-control-spacing);
         --paper-checkbox-size: var(--checkbox-size);
         --paper-checkbox-unchecked-color: var(--paper-grey-600);
         -webkit-margin-start: var(--checkbox-margin-start);
       }
 
@@ skipping 192 matching lines @@
       /* The secondary-action wraps a clickable sub-area of a .settings-box.
        * An example is the |sign out| button on the People settings.
        * Here is an example with and without a secondary action box:
        *
        *  +-------------------------------------------------------+
        *  | Main action area .settings-box    | .secondary-action |
        *  +-------------------------------------------------------+
        *  | Another setting-box without a secondary-action        |
        *  +-------------------------------------------------------+ */
       :-webkit-any(.settings-box, .list-item) .secondary-action {
+        --cr-paper-icon-button-margin: {
+          -webkit-margin-end: 16px;
+          -webkit-margin-start: 16px;
+        }
+        --secondary-action-button-margin: 8px;
         -webkit-border-start: var(--settings-separator-line);
-        -webkit-margin-start: 20px;
-        -webkit-padding-start: 20px;
+        -webkit-margin-end: calc(var(--settings-box-row-padding) * -1);
+        -webkit-margin-start: var(--settings-box-row-padding);
         align-items: center;
         display: flex;
         flex-shrink: 0;
         height: 36px;
       }
 
       :-webkit-any(.settings-box, .list-item).two-line .secondary-action {
         height: 46px;
       }
 
+      :-webkit-any(.settings-box, .list-item) .secondary-action
+          :-webkit-any(.primary-button, .secondary-button) {
+        -webkit-margin-end: var(--secondary-action-button-margin);
+        -webkit-margin-start: var(--secondary-action-button-margin);
+      }
+
       /* Helper for a list frame to automatically avoid the separator line. */
       .vertical-list > *:not(:first-of-type) {
         border-top: var(--settings-separator-line);
       }
 
       .settings-checkbox-spacer {
         -webkit-margin-start: calc(
             var(--checkbox-margin-start) +
             var(--checkbox-size) +
             var(--settings-control-spacing));
@@ skipping 41 matching lines @@
         transform: rotate(-135deg);
       }
 
       .column-header {
         color: var(--paper-grey-600);
         font-weight: 500;
       }
     </style>
   </template>
 </dom-module>