Dragging text from 'chrome://settings/searchEngines' leaves input empty.

Delay 'focus' event handler to ensure that 'input' event
is processed first.

BUG=263743
R=arv@chromium.org, tkent@chromium.org

Review URL: https://codereview.chromium.org/39843002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233268 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/resources/options/inline_editable_list.js

@@ -244,7 +244,12 @@ cr.define('options', function() {
         }, 50);
       }
 
-      inputEl.addEventListener('focus', this.handleFocus_.bind(this));
+      // In some cases 'focus' event may arrive before 'input'.
+      // To make sure revalidation is triggered we postpone 'focus' handling.
+      var handler = this.handleFocus_.bind(this);
+      inputEl.addEventListener('focus', function() {
+         window.setTimeout(handler, 0);
+      });
       container.appendChild(inputEl);
       this.editFields_.push(inputEl);