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diff --git a/ceee/common/install_utils.h b/ceee/common/install_utils.h
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+// 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.
+//
+// Utilities related to installation of the CEEE.
+
+#ifndef CEEE_COMMON_INSTALL_UTILS_H_
+#define CEEE_COMMON_INSTALL_UTILS_H_
+
+// This is the only way we define DllRegisterServer in CEEE.
+// It guarantees that we check whether registration should be
+// done before actually doing it.
+//
+// Instructions:
+//
+// a) In your module's main compilation unit, define
+// a function DllRegisterServerImpl with the same signature
+// as DllRegisterServer.
+//
+// b) Below your DllRegisterServerImpl function, put this
+// macro.
+#define CEEE_DEFINE_DLL_REGISTER_SERVER() \
+    STDAPI DllRegisterServer(void) { \
+      if (!ceee_install_utils::ShouldRegisterCeee()) { \
+        return S_OK; \
+      } else { \
+        return DllRegisterServerImpl(); \
+      } \
+    }
+
+namespace ceee_install_utils {
+
+// Returns true if the --enable-ceee flag was passed to the process
+// that loaded this DLL, or if the process loading the DLL is
+// regsvr32 (i.e. it's a developer that explicitly wants to register).
+bool ShouldRegisterCeee();
+
+}  // namespace ceee_install_utils
+
+#endif  // CEEE_COMMON_INSTALL_UTILS_H_