Multi-select <select> in 'external popup window'

content/renderer/external_popup_menu.cc

Index: content/renderer/external_popup_menu.cc
diff --git a/content/renderer/external_popup_menu.cc b/content/renderer/external_popup_menu.cc
index a8c1ea852b37e48763c4056122be2505d74d0c7d..218bb33c18c83606c50723ecbf57151d8c7ec307 100644
--- a/content/renderer/external_popup_menu.cc
+++ b/content/renderer/external_popup_menu.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -27,6 +27,8 @@ void ExternalPopupMenu::show(const WebKit::WebRect& bounds) {
   for (size_t i = 0; i < popup_menu_info_.items.size(); ++i)
     popup_params.popup_items.push_back(WebMenuItem(popup_menu_info_.items[i]));
   popup_params.right_aligned = popup_menu_info_.rightAligned;
+  popup_params.allow_multiple_selection =
+      popup_menu_info_.allowMultipleSelection;
   render_view_->Send(
       new ViewHostMsg_ShowPopup(render_view_->routing_id(), popup_params));
 }
@@ -36,6 +38,7 @@ void ExternalPopupMenu::close()  {
   render_view_ = NULL;
 }
 
+#if defined(OS_MACOSX)
 void ExternalPopupMenu::DidSelectItem(int index) {
   if (!popup_menu_client_)
     return;
@@ -44,3 +47,17 @@ void ExternalPopupMenu::DidSelectItem(int index) {
   else
     popup_menu_client_->didAcceptIndex(index);
 }
+#endif
+
+#if defined(OS_ANDROID)
+void ExternalPopupMenu::DidSelectItems(bool canceled,
+                                       const std::vector<int>& indices) {
+  if (!popup_menu_client_)
+    return;
+  if (canceled)
+    popup_menu_client_->didCancel();
+  else
+    popup_menu_client_->didAcceptIndices(indices);
+}
+#endif
+