Convert Pass()→std::move() in //chrome

chrome/browser/guest_view/app_view/chrome_app_view_guest_delegate.cc

Index: chrome/browser/guest_view/app_view/chrome_app_view_guest_delegate.cc
diff --git a/chrome/browser/guest_view/app_view/chrome_app_view_guest_delegate.cc b/chrome/browser/guest_view/app_view/chrome_app_view_guest_delegate.cc
index 071d448fad821c079b4eca487038103fbb3086e7..47d4c36138299fb3c2b66624be5b40315f3cdb99 100644
--- a/chrome/browser/guest_view/app_view/chrome_app_view_guest_delegate.cc
+++ b/chrome/browser/guest_view/app_view/chrome_app_view_guest_delegate.cc
@@ -2,8 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/apps/scoped_keep_alive.h"
 #include "chrome/browser/guest_view/app_view/chrome_app_view_guest_delegate.h"
+
+#include <utility>
+
+#include "chrome/browser/apps/scoped_keep_alive.h"
 #include "chrome/browser/renderer_context_menu/render_view_context_menu.h"
 #include "chrome/browser/ui/apps/chrome_app_delegate.h"
 #include "components/renderer_context_menu/context_menu_delegate.h"
@@ -25,7 +28,7 @@ bool ChromeAppViewGuestDelegate::HandleContextMenu(
 
   scoped_ptr<RenderViewContextMenuBase> menu =
       menu_delegate->BuildMenu(web_contents, params);
-  menu_delegate->ShowMenu(menu.Pass());
+  menu_delegate->ShowMenu(std::move(menu));
   return true;
 }