WebUI Prefs: Resize autocomplete list on window resize

chrome/browser/resources/options/autocomplete_list.js

Index: chrome/browser/resources/options/autocomplete_list.js
diff --git a/chrome/browser/resources/options/autocomplete_list.js b/chrome/browser/resources/options/autocomplete_list.js
index 46ba8d20e92b9226a9f60bbbbaa7304c80386d7d..6f6369003a4660931c678fc44a5027ca3765482f 100644
--- a/chrome/browser/resources/options/autocomplete_list.js
+++ b/chrome/browser/resources/options/autocomplete_list.js
@@ -169,6 +169,16 @@ cr.define('options', function() {
     },
 
     /**
+     * Makes sure that the suggestion list matches the width of the input it is.
+     * attached to. Should be called any time the input is resized.
+     */
+    syncWidthToInput: function() {
+      var input = this.targetInput_
+      if (input)
+        this.style.width = input.getBoundingClientRect().width + 'px';
+    },
+
+    /**
      * The text field the autocomplete popup is currently attached to, if any.
      * @return {HTMLElement}
      */