base: Remove call to g_get_home_dir() from GetHomeDir() for Chrome OS

base/file_util_posix.cc

 // 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 "base/file_util.h"
 
 #include <dirent.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <libgen.h>
 #include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/errno.h>
 #include <sys/mman.h>
 #include <sys/param.h>
 #include <sys/stat.h>
 #include <sys/time.h>
 #include <sys/types.h>
 #include <time.h>
 #include <unistd.h>
 
 #if defined(OS_MACOSX)
 #include <AvailabilityMacros.h>
 #include "base/mac/foundation_util.h"
-#elif !defined(OS_ANDROID)
-#include <glib.h>
+#elif !defined(OS_ANDROID) && !defined(OS_CHROMEOS)
+#include <glib.h>  // for g_get_home_dir()
 #endif
 
 #include <fstream>
 
 #include "base/basictypes.h"
 #include "base/files/file_enumerator.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
@@ skipping 732 matching lines @@
   if (base::SysInfo::IsRunningOnChromeOS())
     return FilePath("/home/chronos/user");
 #endif
 
   const char* home_dir = getenv("HOME");
   if (home_dir && home_dir[0])
     return FilePath(home_dir);
 
 #if defined(OS_ANDROID)
   DLOG(WARNING) << "OS_ANDROID: Home directory lookup not yet implemented.";
-#else
+#elif !defined(OS_CHROMEOS)
   // g_get_home_dir calls getpwent, which can fall through to LDAP calls.
   base::ThreadRestrictions::AssertIOAllowed();
 
   home_dir = g_get_home_dir();
   if (home_dir && home_dir[0])
     return FilePath(home_dir);
 #endif
 
   FilePath rv;
   if (file_util::GetTempDir(&rv))
@@ skipping 154 matching lines @@
     result = false;
   if (HANDLE_EINTR(close(outfile)) < 0)
     result = false;
 
   return result;
 }
 #endif  // !defined(OS_MACOSX)
 
 }  // namespace internal
 }  // namespace base