Test case modified to check against the item count in ExternalPopupMenu

content/renderer/external_popup_menu_browsertest.cc

 // Copyright (c) 2011 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.
 
 #include "base/strings/utf_string_conversions.h"
 #include "content/common/frame_messages.h"
 #include "content/public/test/render_view_test.h"
 #include "content/renderer/render_frame_impl.h"
 #include "content/renderer/render_view_impl.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 162 matching lines @@
     LoadHTML(html.c_str());
 
     // Set a minimum size and give focus so simulated events work.
     view()->webwidget()->resize(blink::WebSize(500, 500));
     view()->webwidget()->setFocus(true);
   }
 
 };
 
 TEST_F(ExternalPopupMenuDisplayNoneTest, SelectItem) {
+  IPC::TestSink& sink = render_thread_->sink();
+
   // Click the text field once to show the popup.
   EXPECT_TRUE(SimulateElementClick(kSelectID));
 
+  // Read the message sent to browser to show the popup menu.
+  const IPC::Message* message =
+      sink.GetUniqueMessageMatching(FrameHostMsg_ShowPopup::ID);
+  ASSERT_TRUE(message != NULL);
+  Tuple1<FrameHostMsg_ShowPopup_Params> param;
+  FrameHostMsg_ShowPopup::Read(message, &param);
+  // Number of items should match item count minus the number
+  // of "display: none" items.
+  ASSERT_EQ(5U, param.a.popup_items.size());
+
   // Select index 1 item. This should select item with index 2,
   // skipping the item with 'display: none'
   frame()->OnSelectPopupMenuItem(1);
 
   EXPECT_EQ(2, GetSelectedIndex());
 }
 
 }  // namespace content