Fix temp dir path for Android.

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 20 matching lines @@
 #endif
 
 #include <fstream>
 
 #include "base/basictypes.h"
 #include "base/eintr_wrapper.h"
 #include "base/file_path.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
+#include "base/path_service.h"
 #include "base/stl_util.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
 #include "base/sys_string_conversions.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 
 #if defined(OS_ANDROID)
 #include "base/os_compat_android.h"
@@ skipping 862 matching lines @@
   return true;
 }
 
 #if !defined(OS_MACOSX)
 bool GetTempDir(FilePath* path) {
   const char* tmp = getenv("TMPDIR");
   if (tmp)
     *path = FilePath(tmp);
   else
 #if defined(OS_ANDROID)
-    *path = FilePath("/data/local/tmp");
+    return PathService::Get(base::DIR_CACHE, path);
 #else
     *path = FilePath("/tmp");
 #endif
   return true;
 }
 
 #if !defined(OS_ANDROID)
 
 #if defined(OS_LINUX)
 // Determine if /dev/shm files can be mapped and then mprotect'd PROT_EXEC.
@@ skipping 180 matching lines @@
 
     allowed_group_ids.insert(group_record->gr_gid);
   }
 
   return VerifyPathControlledByUser(
       kFileSystemRoot, path, kRootUid, allowed_group_ids);
 }
 #endif  // defined(OS_MACOSX)
 
 }  // namespace file_util