Linux Sandbox: split the GPU policies to their own file.

content/common/sandbox_linux/sandbox_linux.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_COMMON_SANDBOX_LINUX_H_
-#define CONTENT_COMMON_SANDBOX_LINUX_H_
+#ifndef CONTENT_COMMON_SANDBOX_LINUX_SANDBOX_LINUX_H_
+#define CONTENT_COMMON_SANDBOX_LINUX_SANDBOX_LINUX_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/public/common/sandbox_linux.h"
 
 template <typename T> struct DefaultSingletonTraits;
 namespace sandbox { class SetuidSandboxClient; }
 
@@ skipping 80 matching lines @@
   bool pre_initialized_;
   bool seccomp_bpf_supported_;  // Accurate if pre_initialized_.
   scoped_ptr<sandbox::SetuidSandboxClient> setuid_sandbox_client_;
 
   ~LinuxSandbox();
   DISALLOW_IMPLICIT_CONSTRUCTORS(LinuxSandbox);
 };
 
 }  // namespace content
 
-#endif  // CONTENT_COMMON_SANDBOX_LINUX_H_
-
+#endif  // CONTENT_COMMON_SANDBOX_LINUX_SANDBOX_LINUX_H_