Cleanup: Extract icon related methods outside of util.js

chrome/browser/resources/options/profiles_icon_grid.js

Index: chrome/browser/resources/options/profiles_icon_grid.js
diff --git a/chrome/browser/resources/options/profiles_icon_grid.js b/chrome/browser/resources/options/profiles_icon_grid.js
index f8e7b61d13b8c182522054c2ccf7037d9398e84f..6e2d17b45dca3cdf4614d142fdca2bf9d0e34106 100644
--- a/chrome/browser/resources/options/profiles_icon_grid.js
+++ b/chrome/browser/resources/options/profiles_icon_grid.js
@@ -37,7 +37,7 @@ cr.define('options', function() {
       ListItem.prototype.decorate.call(this);
       var imageEl = cr.doc.createElement('img');
       imageEl.className = 'profile-icon';
-      imageEl.style.content = getProfileAvatarIcon(this.iconURL_);
+      imageEl.style.content = cr.icon.getProfileAvatarIcon(this.iconURL_);
       this.appendChild(imageEl);
 
       this.className = 'profile-icon-grid-item';