Revert of Modify test case to support streaming operation in sandbox file system.

content/browser/fileapi/obfuscated_file_util_unittest.cc

 // Copyright 2013 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 <set>
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/file_util.h"
@@ skipping 126 matching lines @@
 
 }  // namespace
 
 // TODO(ericu): The vast majority of this and the other FSFU subclass tests
 // could theoretically be shared.  It would basically be a FSFU interface
 // compliance test, and only the subclass-specific bits that look into the
 // implementation would need to be written per-subclass.
 class ObfuscatedFileUtilTest : public testing::Test {
  public:
   ObfuscatedFileUtilTest()
-      : message_loop_(base::MessageLoop::TYPE_IO),
-        origin_(GURL("http://www.example.com")),
+      : origin_(GURL("http://www.example.com")),
         type_(storage::kFileSystemTypeTemporary),
         weak_factory_(this),
         sandbox_file_system_(origin_, type_),
         quota_status_(storage::kQuotaStatusUnknown),
         usage_(-1) {}
 
   virtual void SetUp() {
     ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
 
     storage_policy_ = new MockSpecialStoragePolicy();
@@ skipping 2286 matching lines @@
                                    false /* exclusive */,
                                    true /* recursive */));
   ASSERT_EQ(base::File::FILE_ERROR_NOT_A_DIRECTORY,
             ofu()->CreateDirectory(UnlimitedContext().get(),
                                    path_in_file_in_file,
                                    false /* exclusive */,
                                    true /* recursive */));
 }
 
 }  // namespace content