(twbs#22414) Rename for consistency $custom-checkbox-border-radius,…

… `$custom-checkbox-icon-checked`, `$custom-checkbox-indeterminate-bg`, `$custom-checkbox-icon-indeterminate`, `$custom-checkbox-indeterminate-box-shadow`, `$custom-radio-border-radius`, `$custom-radio-icon-checked` to `$custom-checkbox-indicator-border-radius`, `$custom-checkbox-indicator-icon-checked`, `$custom-checkbox-indicator-indeterminate-bg`, `$custom-checkbox-indicator-icon-indeterminate`, `$custom-checkbox-indicator-indeterminate-box-shadow`, `$custom-radio-indicator-border-radius`, `$custom-radio-indicator-icon-checked`, respectively

scss/_custom-forms.scss

@@ -76,17 +76,17 @@
 
 .custom-checkbox {
   .custom-control-indicator {
-    @include border-radius($custom-checkbox-border-radius);
+    @include border-radius($custom-checkbox-indicator-border-radius);
   }
 
   .custom-control-input:checked ~ .custom-control-indicator {
-    background-image: $custom-checkbox-icon-checked;
+    background-image: $custom-checkbox-indicator-icon-checked;
   }
 
   .custom-control-input:indeterminate ~ .custom-control-indicator {
-    background-color: $custom-checkbox-indeterminate-bg;
-    background-image: $custom-checkbox-icon-indeterminate;
-    @include box-shadow($custom-checkbox-indeterminate-box-shadow);
+    background-color: $custom-checkbox-indicator-indeterminate-bg;
+    background-image: $custom-checkbox-indicator-icon-indeterminate;
+    @include box-shadow($custom-checkbox-indicator-indeterminate-box-shadow);
   }
 }
 
@@ -96,11 +96,11 @@
 
 .custom-radio {
   .custom-control-indicator {
-    border-radius: $custom-radio-border-radius;
+    border-radius: $custom-radio-indicator-border-radius;
   }
 
   .custom-control-input:checked ~ .custom-control-indicator {
-    background-image: $custom-radio-icon-checked;
+    background-image: $custom-radio-indicator-icon-checked;
   }
 }
 

scss/_variables.scss

@@ -422,16 +422,16 @@ $custom-control-indicator-active-color:      $white !default;
 $custom-control-indicator-active-bg:         lighten(theme-color("primary"), 35%) !default;
 $custom-control-indicator-active-box-shadow: none !default;
 
-$custom-checkbox-border-radius: $border-radius !default;
-$custom-checkbox-icon-checked: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3E%3Cpath fill='#{$custom-control-indicator-checked-color}' d='M6.564.75l-3.59 3.612-1.538-1.55L0 4.26 2.974 7.25 8 2.193z'/%3E%3C/svg%3E"), "#", "%23") !default;
+$custom-checkbox-indicator-border-radius: $border-radius !default;
+$custom-checkbox-indicator-icon-checked: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3E%3Cpath fill='#{$custom-control-indicator-checked-color}' d='M6.564.75l-3.59 3.612-1.538-1.55L0 4.26 2.974 7.25 8 2.193z'/%3E%3C/svg%3E"), "#", "%23") !default;
 
-$custom-checkbox-indeterminate-bg: theme-color("primary") !default;
+$custom-checkbox-indicator-indeterminate-bg: theme-color("primary") !default;
 $custom-checkbox-indicator-indeterminate-color: $custom-control-indicator-checked-color !default;
-$custom-checkbox-icon-indeterminate: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 4'%3E%3Cpath stroke='#{$custom-checkbox-indicator-indeterminate-color}' d='M0 2h4'/%3E%3C/svg%3E"), "#", "%23") !default;
-$custom-checkbox-indeterminate-box-shadow: none !default;
+$custom-checkbox-indicator-icon-indeterminate: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 4 4'%3E%3Cpath stroke='#{$custom-checkbox-indicator-indeterminate-color}' d='M0 2h4'/%3E%3C/svg%3E"), "#", "%23") !default;
+$custom-checkbox-indicator-indeterminate-box-shadow: none !default;
 
-$custom-radio-border-radius: 50% !default;
-$custom-radio-icon-checked: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3E%3Ccircle r='3' fill='#{$custom-control-indicator-checked-color}'/%3E%3C/svg%3E"), "#", "%23") !default;
+$custom-radio-indicator-border-radius: 50% !default;
+$custom-radio-indicator-icon-checked: str-replace(url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3E%3Ccircle r='3' fill='#{$custom-control-indicator-checked-color}'/%3E%3C/svg%3E"), "#", "%23") !default;
 
 $custom-select-padding-y:          .375rem !default;
 $custom-select-padding-x:          .75rem  !default;