Add initial VR interactive omnibox.

chrome/browser/resources/vr_shell/vk.js

Index: chrome/browser/resources/vr_shell/vk.js
diff --git a/chrome/browser/resources/vr_shell/vk.js b/chrome/browser/resources/vr_shell/vk.js
index a2752aa01dc5bc659a44f4eca19f334e760126e9..e2cdcfcfe132e3aa4f8fdddb1fce83361118d092 100644
--- a/chrome/browser/resources/vr_shell/vk.js
+++ b/chrome/browser/resources/vr_shell/vk.js
@@ -216,9 +216,7 @@ function vk_level0(button) {
 function vk_ch(button) {
   if (button.key || button.code) {
     console.log('Keyboard click: ' + performance.now());
-    // Hack!  Set focus back to omnibox.  Oh man...
-    let field = document.querySelector("#input-field");
-    field.focus();;
+    document.querySelector("#omnibox-input-field").focus();
     sendKey('key', button.code, button.key);
     if (vk_state.level == 1)
       vk_activate_level(0);