Cleanup: Fix content header include guards.

content/browser/renderer_host/sandbox_ipc_linux.h

 // Copyright 2014 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.
 
 // http://code.google.com/p/chromium/wiki/LinuxSandboxIPC
 
-#ifndef CONTENT_BROWSER_RENDERER_HOST_SANDBOX_IPC_H_
-#define CONTENT_BROWSER_RENDERER_HOST_SANDBOX_IPC_H_
+#ifndef CONTENT_BROWSER_RENDERER_HOST_SANDBOX_IPC_LINUX_H_
+#define CONTENT_BROWSER_RENDERER_HOST_SANDBOX_IPC_LINUX_H_
 
 #include <vector>
 
 #include "base/files/scoped_file.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/pickle.h"
 #include "base/threading/simple_thread.h"
 #include "content/child/blink_platform_impl.h"
 #include "skia/ext/skia_utils_base.h"
 
@@ skipping 51 matching lines @@
   const int lifeline_fd_;
   const int browser_socket_;
   scoped_ptr<BlinkPlatformImpl> blink_platform_impl_;
   SkTDArray<SkString*> paths_;
 
   DISALLOW_COPY_AND_ASSIGN(SandboxIPCHandler);
 };
 
 }  // namespace content
 
-#endif  // CONTENT_BROWSER_RENDERER_HOST_SANDBOX_IPC_H_
+#endif  // CONTENT_BROWSER_RENDERER_HOST_SANDBOX_IPC_LINUX_H_