Implement ScopedFD in terms of ScopedGeneric.

content/common/sandbox_mac.mm

 // 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.
 
 #include "content/common/sandbox_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include <CoreFoundation/CFTimeZone.h>
 extern "C" {
 #include <sandbox.h>
 }
 #include <signal.h>
 #include <sys/param.h>
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
+#include "base/files/scoped_file.h"
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/rand_util.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
@@ skipping 570 matching lines @@
   return success;
 }
 
 // static
 bool Sandbox::SandboxIsCurrentlyActive() {
   return gSandboxIsActive;
 }
 
 // static
 base::FilePath Sandbox::GetCanonicalSandboxPath(const base::FilePath& path) {
-  int fd = HANDLE_EINTR(open(path.value().c_str(), O_RDONLY));
-  if (fd < 0) {
+  base::ScopedFD fd(HANDLE_EINTR(open(path.value().c_str(), O_RDONLY)));
+  if (!fd.is_valid()) {
     DPLOG(FATAL) << "GetCanonicalSandboxPath() failed for: "
                  << path.value();
     return path;
   }
-  file_util::ScopedFD file_closer(&fd);
 
   base::FilePath::CharType canonical_path[MAXPATHLEN];
-  if (HANDLE_EINTR(fcntl(fd, F_GETPATH, canonical_path)) != 0) {
+  if (HANDLE_EINTR(fcntl(fd.get(), F_GETPATH, canonical_path)) != 0) {
     DPLOG(FATAL) << "GetCanonicalSandboxPath() failed for: "
                  << path.value();
     return path;
   }
 
   return base::FilePath(canonical_path);
 }
 
 }  // namespace content