[NaCl SDK] nacl_io: Fix utime() on directories.

native_client_sdk/src/tests/nacl_io_test/http_fs_test.cc

 // Copyright 2013 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 <fcntl.h>
 #include <gmock/gmock.h>
 #include <ppapi/c/ppb_file_io.h>
 #include <ppapi/c/pp_errors.h>
 #include <ppapi/c/pp_instance.h>
 #include <sys/stat.h>
@@ skipping 225 matching lines @@
   // TODO(binji): If the server doesn't send the content length, this operation
   // will be incredibly slow; it will attempt to read all of the data from the
   // server to find the file length. Can we do anything smarter?
   ppapi_.server_template()->set_send_content_length(true);
 
   ScopedNode node;
   ASSERT_EQ(0, fs_.Open(Path("/file"), O_RDONLY, &node));
 
   struct stat statbuf;
   EXPECT_EQ(0, node->GetStat(&statbuf));
-  EXPECT_EQ(S_IFREG | S_IRUSR | S_IRGRP | S_IROTH, statbuf.st_mode);
+  EXPECT_TRUE(S_ISREG(statbuf.st_mode));
+  EXPECT_EQ(S_IRUSR | S_IRGRP | S_IROTH, statbuf.st_mode & 0777);
   EXPECT_EQ(size, statbuf.st_size);
   // These are not currently set.
   EXPECT_EQ(0, statbuf.st_atime);
   EXPECT_EQ(0, statbuf.st_ctime);
   EXPECT_EQ(0, statbuf.st_mtime);
 }
 
 // Instantiate the large file tests, only when cache content is off.
 // TODO(binji): make cache content smarter, so it doesn't try to cache enormous
 // files. See http://crbug.com/369279.
@@ skipping 133 matching lines @@
   // Check access to blob file
   ASSERT_EQ(0, fs.Open(Path("/"), O_RDONLY, &node));
   ASSERT_EQ(true, node->IsaFile());
 
   // Verify file size and permissions
   struct stat buf;
   ASSERT_EQ(0, node->GetStat(&buf));
   ASSERT_EQ(S_IRUSR, buf.st_mode & S_IRWXU);
   ASSERT_EQ(strlen(kContent), buf.st_size);
 }