Support sharing of ContentMain and BrowserMain code with embedded use cases (try #3).

content/public/app/content_main.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
-#ifndef CONTENT_APP_CONTENT_MAIN_H_
-#define CONTENT_APP_CONTENT_MAIN_H_
+#ifndef CONTENT_PUBLIC_APP_CONTENT_MAIN_H_
+#define CONTENT_PUBLIC_APP_CONTENT_MAIN_H_
 #pragma once
 
 #include "build/build_config.h"
 #include "content/common/content_export.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 namespace sandbox {
@@ skipping 16 matching lines @@
                                sandbox::SandboxInterfaceInfo* sandbox_info,
                                ContentMainDelegate* delegate);
 #else
 CONTENT_EXPORT int ContentMain(int argc,
                                const char** argv,
                                ContentMainDelegate* delegate);
 #endif
 
 }  // namespace content
 
-#endif  // CONTENT_APP_CONTENT_MAIN_H_
+#endif  // CONTENT_PUBLIC_APP_CONTENT_MAIN_H_