Cleanup: Fix content header include guards.

content/public/common/child_process_host.h

 // 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_PULIC_COMMON_CHILD_PROCESS_HOST_H_
-#define CONTENT_PULIC_COMMON_CHILD_PROCESS_HOST_H_
+#ifndef CONTENT_PUBLIC_COMMON_CHILD_PROCESS_HOST_H_
+#define CONTENT_PUBLIC_COMMON_CHILD_PROCESS_HOST_H_
 
 #include "base/files/scoped_file.h"
 #include "build/build_config.h"
 #include "content/common/content_export.h"
 #include "ipc/ipc_channel_proxy.h"
 
 namespace base {
 class FilePath;
 }
 
@@ skipping 81 matching lines @@
   virtual void AddFilter(IPC::MessageFilter* filter) = 0;
 
 #if defined(OS_POSIX)
   // See IPC::Channel::TakeClientFileDescriptor.
   virtual base::ScopedFD TakeClientFileDescriptor() = 0;
 #endif
 };
 
 };  // namespace content
 
-#endif  // CONTENT_PULIC_COMMON_CHILD_PROCESS_HOST_H_
+#endif  // CONTENT_PUBLIC_COMMON_CHILD_PROCESS_HOST_H_