Always use persistent profile for CF+CEEE installs.

ceee/ie/common/ceee_util.cc

+// Copyright (c) 2010 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.
+//
+// Utility functions for CEEE.
+
+#include "ceee/ie/common/ceee_util.h"
+
+#include "base/basictypes.h"
+#include "base/logging.h"
+#include "base/win/registry.h"
+
+#include "toolband.h"  // NOLINT
+
+namespace ceee_util {
+
+bool IsIeCeeeRegistered() {
+  wchar_t clsid[40] = { 0 };
+  int num_chars = ::StringFromGUID2(CLSID_ToolBand, clsid, arraysize(clsid));
+  CHECK(num_chars > 0);
+
+  std::wstring path(L"CLSID\\");
+  path += clsid;
+
+  base::win::RegKey key;
+  return key.Open(HKEY_CLASSES_ROOT, path.c_str(), KEY_READ);

[amit, 2010/12/01 02:08:43]

nit: KEY_QUERY_VALUE or SYNCHRONIZE? since you are checking only for existence?
KEY_READ is a dense combination. 

+}
+
+}  // namespace ceee_util