Add "open as window" menu item to NTP app menu.

chrome/browser/resources/new_new_tab.html

Index: chrome/browser/resources/new_new_tab.html
diff --git a/chrome/browser/resources/new_new_tab.html b/chrome/browser/resources/new_new_tab.html
index bcf19b39a90ce9e640823f6df77fc4d577cee55b..cd2613c7ff41dbfba6d45bd18992cf2b794efdef 100644
--- a/chrome/browser/resources/new_new_tab.html
+++ b/chrome/browser/resources/new_new_tab.html
@@ -236,6 +236,8 @@ if ('mode' in hashParams) {
     launch-type="0">
 <command id="apps-launch-type-regular" i18n-values=".label:applaunchtyperegular"
     launch-type="1">
+<command id="apps-launch-type-window"
+    i18n-values=".label:applaunchtypewindow" launch-type="3">
 <command id="apps-launch-type-fullscreen"
     i18n-values=".label:applaunchtypefullscreen" launch-type="2">
 
@@ -249,6 +251,8 @@ if ('mode' in hashParams) {
   <hr>
   <button command="#apps-launch-type-regular" launch-type="1"></button>
   <button command="#apps-launch-type-pinned" launch-type="0"></button>
+  <button id="apps-launch-type-window-menu-item"
+      command="#apps-launch-type-window" launch-type="3"></button>
   <button command="#apps-launch-type-fullscreen" launch-type="2"></button>
   <hr>
   <button command="#apps-options-command"></button>