Make sandbox/linux/seccomp-bpf/ follow the style guide.

sandbox/linux/seccomp-bpf/port.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.
 
 // Commonly used macro definitions to make the code build in different
 // target environments (e.g. as part of Chrome vs. stand-alone)
 
 #ifndef SANDBOX_LINUX_SECCOMP_BPF_PORT_H__
 #define SANDBOX_LINUX_SECCOMP_BPF_PORT_H__
 
 #if !defined(SECCOMP_BPF_STANDALONE)
-  #include "base/basictypes.h"
-  #include "base/logging.h"
-  #include "base/posix/eintr_wrapper.h"
+#include "base/basictypes.h"
+#include "base/logging.h"
+#include "base/posix/eintr_wrapper.h"
 #else
-  #define arraysize(x) (sizeof(x)/sizeof(*(x)))
+#define arraysize(x) (sizeof(x) / sizeof(*(x)))
 
-  #define HANDLE_EINTR TEMP_FAILURE_RETRY
+#define HANDLE_EINTR TEMP_FAILURE_RETRY
 
-  #define DISALLOW_COPY_AND_ASSIGN(TypeName)       \
-    TypeName(const TypeName&);                     \
-    void operator=(const TypeName&)
+#define DISALLOW_COPY_AND_ASSIGN(TypeName) \
+  TypeName(const TypeName&);               \
+  void operator=(const TypeName&)
 
-  #define DISALLOW_IMPLICIT_CONSTRUCTORS(TypeName) \
-    TypeName();                                    \
-    DISALLOW_COPY_AND_ASSIGN(TypeName)
+#define DISALLOW_IMPLICIT_CONSTRUCTORS(TypeName) \
+  TypeName();                                    \
+  DISALLOW_COPY_AND_ASSIGN(TypeName)
 
-  template <bool>
-  struct CompileAssert {
-  };
+template <bool>
+struct CompileAssert {};
 
-  #define COMPILE_ASSERT(expr, msg) \
-    typedef CompileAssert<(bool(expr))> msg[bool(expr) ? 1 : -1]
+#define COMPILE_ASSERT(expr, msg) \
+  typedef CompileAssert<(bool(expr))> msg[bool(expr) ? 1 : -1]
 #endif
 
 #endif  // SANDBOX_LINUX_SECCOMP_BPF_PORT_H__