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

ui/webui/resources/cr_elements/shared_vars_css.html

Index: ui/webui/resources/cr_elements/shared_vars_css.html
diff --git a/ui/webui/resources/cr_elements/shared_vars_css.html b/ui/webui/resources/cr_elements/shared_vars_css.html
index fae5e91e9cbd1b691071f00fbc979f36c3b2cf70..5b4c1e690bb849a769ced4b0106923db067404dc 100644
--- a/ui/webui/resources/cr_elements/shared_vars_css.html
+++ b/ui/webui/resources/cr_elements/shared_vars_css.html
@@ -8,8 +8,11 @@
       cursor: pointer;
     };
 
+    /* Spacing between a control (e.g. checkbox) and its label. */
+    --cr-control-label-spacing: 20px;

[stevenjb, 2017/05/15 23:40:09]

Is this actually used other than on the settings_shared file? If not, maybe just
define it there?

[dschuyler, 2017/05/15 23:49:29]

Done.

+
     /* Spacing between policy (controlledBy) indicator and control. */
-    --cr-control-spacing: 24px;
+    --cr-controlled-by-spacing: 24px;
 
     --cr-focused-item-color: var(--google-grey-300);