Add OS_CHROMEOS case in file_util::GetHomeDir()

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 <fnmatch.h>
@@ skipping 36 matching lines @@
 #include "base/utf_string_conversions.h"
 
 #if defined(OS_ANDROID)
 #include "base/os_compat_android.h"
 #endif
 
 #if !defined(OS_IOS)
 #include <grp.h>
 #endif
 
+#if defined(OS_CHROMEOS)
+#include "base/chromeos/chromeos_version.h"
+#endif
+
 namespace file_util {
 
 namespace {
 
 #if defined(OS_BSD) || defined(OS_MACOSX)
 typedef struct stat stat_wrapper_t;
 static int CallStat(const char *path, stat_wrapper_t *sb) {
   base::ThreadRestrictions::AssertIOAllowed();
   return stat(path, sb);
 }
@@ skipping 942 matching lines @@
   if (use_dev_shm) {
     *path = FilePath("/dev/shm");
     return true;
   }
 #endif
   return GetTempDir(path);
 }
 #endif  // !defined(OS_ANDROID)
 
 FilePath GetHomeDir() {
+#if defined(OS_CHROMEOS)
+  if (base::chromeos::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
   // g_get_home_dir calls getpwent, which can fall through to LDAP calls.
   base::ThreadRestrictions::AssertIOAllowed();
 
@@ skipping 122 matching lines @@
 
     allowed_group_ids.insert(group_record->gr_gid);
   }
 
   return VerifyPathControlledByUser(
       kFileSystemRoot, path, kRootUid, allowed_group_ids);
 }
 #endif  // defined(OS_MACOSX) && !defined(OS_IOS)
 
 }  // namespace file_util