Rearrange the input APIs into more suitable groupings.

chrome/test/data/extensions/api_test/input_ui/other/test.js

Index: chrome/test/data/extensions/api_test/input_ui/other/test.js
diff --git a/chrome/test/data/extensions/api_test/input_ui/other/test.js b/chrome/test/data/extensions/api_test/input_ui/other/test.js
index e31e9ddbad7e3388f38fe5198e6e8bffe9c8efdb..239d6350f43a0ac554d4e11a4f09ac257b62e802 100644
--- a/chrome/test/data/extensions/api_test/input_ui/other/test.js
+++ b/chrome/test/data/extensions/api_test/input_ui/other/test.js
@@ -2,12 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// experimental.inputUI API test for Chrome
+// experimental.input.ui API test for Chrome
 // browser_tests --gtest_filter=ExtensionApiTest.InputUI
 
 chrome.test.runTests([
   function inputUINotExist() {
-    if (!chrome.experimental.inputUI) {
+    if (!chrome.experimental.input.ui) {
       chrome.test.succeed();
     } else {
       chrome.test.fail();