fixup! Bug 23247: Communicating security expectations for .onion

Bug 42538: Move onion icons to toolkit.

browser/themes/shared/identity-block/identity-block.css

@@ -195,14 +195,14 @@
 #identity-box[pageproxystate="valid"].onionUnknownIdentity #identity-icon,
 #identity-box[pageproxystate="valid"].onionVerifiedDomain #identity-icon,
 #identity-box[pageproxystate="valid"].onionMixedActiveBlocked #identity-icon {
-  list-style-image: url(chrome://browser/skin/onion-site.svg);
+  list-style-image: url(chrome://global/skin/icons/onion-site.svg);
   visibility: visible;
 }
 
 #identity-box[pageproxystate="valid"].onionMixedDisplayContent #identity-icon,
 #identity-box[pageproxystate="valid"].onionMixedDisplayContentLoadedActiveBlocked #identity-icon,
 #identity-box[pageproxystate="valid"].onionCertUserOverridden #identity-icon {
-  list-style-image: url(chrome://browser/skin/onion-warning.svg);
+  list-style-image: url(chrome://global/skin/icons/onion-warning.svg);
   visibility: visible;
   /* onion-warning includes another context-stroke color. Here we want it to
    * match the context-fill color, which should be currentColor. */
@@ -211,7 +211,7 @@
 }
 
 #identity-box[pageproxystate="valid"].onionMixedActiveContent #identity-icon {
-  list-style-image: url(chrome://browser/skin/onion-slash.svg);
+  list-style-image: url(chrome://global/skin/icons/onion-slash.svg);
   visibility: visible;
 }