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

chrome/browser/resources/settings/settings_vars_css.html

Index: chrome/browser/resources/settings/settings_vars_css.html
diff --git a/chrome/browser/resources/settings/settings_vars_css.html b/chrome/browser/resources/settings/settings_vars_css.html
index 2742764574c32fec52d9f064d3a2862e7e5da299..d6f3e6842aee7bedd2330c149f72f574373f7dfe 100644
--- a/chrome/browser/resources/settings/settings_vars_css.html
+++ b/chrome/browser/resources/settings/settings_vars_css.html
@@ -83,7 +83,13 @@
 
     --checkbox-margin-start: 2px;
     --checkbox-size: 16px;
-    --settings-control-spacing: var(--cr-control-spacing);
+
+    /* Spacing between a control (e.g. checkbox) and its label. */
+    --settings-control-label-spacing: 20px;
+
+    /* Spacing between policy (controlledBy) indicator and control. */
+    --settings-controlled-by-spacing: var(--cr-controlled-by-spacing);
+
     --iron-icon-fill-color: var(--paper-grey-600);
     --iron-icon-height: var(--cr-icon-size);
     --iron-icon-width: var(--cr-icon-size);