First batch of context menu tests...

chrome_frame/utils.cc

 // Copyright (c) 2009 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 <htiframe.h>
 #include <mshtml.h>
 #include <shlobj.h>
 #include <wininet.h>
 
 #include "base/file_util.h"
@@ skipping 839 matching lines @@
   if (!parsed_url.has_ref())
     return moniker_url;
 
   if (StartsWith(bho_url, moniker_url, false) &&
       bho_url[moniker_url.length()] == L'#')
     return bho_url;
 
   return moniker_url;
 }
 
+bool IsTopLevelWindow(HWND window) {
+  long style = GetWindowLong(window, GWL_STYLE);  // NOLINT
+  if (!(style & WS_CHILD))
+    return true;
+
+  HWND parent = GetParent(window);
+  return !parent || (parent == GetDesktopWindow());
+}