Make the shmem-specific functions in file_util.h POSIX-only.

They're only used on POSIX. (This is an initial move/removal; more to
come.)

R=brettw@chromium.org

Review URL: https://codereview.chromium.org/204683002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@258242 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 6f5418ba7f128c0e1d0c89f8b647bb68400e9b22
diff --git a/base/file_util_unittest.cc b/base/file_util_unittest.cc
index 8ee55ff..4bdd90f 100644
--- a/base/file_util_unittest.cc
+++ b/base/file_util_unittest.cc
@@ -1691,11 +1691,13 @@
   EXPECT_TRUE(DeleteFile(new_dir, false));
 }
 
+#if defined(OS_POSIX)
 TEST_F(FileUtilTest, GetShmemTempDirTest) {
   FilePath dir;
   EXPECT_TRUE(GetShmemTempDir(false, &dir));
   EXPECT_TRUE(DirectoryExists(dir));
 }
+#endif
 
 TEST_F(FileUtilTest, GetHomeDirTest) {
 #if !defined(OS_ANDROID)  // Not implemented on Android.