Fix ScopedTempDir in base_unittests

base/files/file_proxy_unittest.cc

 // Copyright 2014 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/files/file_proxy.h"
 
 #include "base/bind.h"
 #include "base/files/file.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 65 matching lines @@
     MessageLoop::current()->Run();
     EXPECT_TRUE(proxy->IsValid());
   }
 
   TaskRunner* file_task_runner() const {
     return file_thread_.task_runner().get();
   }
   const FilePath& test_dir_path() const { return dir_.path(); }
   const FilePath test_path() const { return dir_.path().AppendASCII("test"); }
 
+  ScopedTempDir dir_;
   MessageLoopForIO message_loop_;
   Thread file_thread_;
 
-  ScopedTempDir dir_;
   File::Error error_;
   FilePath path_;
   File::Info file_info_;
   std::vector<char> buffer_;
   int bytes_written_;
   WeakPtrFactory<FileProxyTest> weak_factory_;
 };
 
 TEST_F(FileProxyTest, CreateOrOpen_Create) {
   FileProxy proxy(file_task_runner());
@@ skipping 266 matching lines @@
   char buffer[53];
   EXPECT_EQ(53, base::ReadFile(test_path(), buffer, 53));
   int i = 0;
   for (; i < 10; ++i)
     EXPECT_EQ(kTestData[i], buffer[i]);
   for (; i < 53; ++i)
     EXPECT_EQ(0, buffer[i]);
 }
 
 }  // namespace base