Change {Obfuscated|Local}FileSystemFileUtil non-Singleton to take an underlying *FileUtil.

webkit/fileapi/obfuscated_file_system_file_util_unittest.cc

 // Copyright (c) 2011 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 <algorithm>
 #include <set>
 #include <string>
 
 #include "base/file_path.h"
 #include "base/file_util.h"
@@ skipping 115 matching lines @@
   ObfuscatedFileSystemFileUtilTest()
       : origin_(GURL("http://www.example.com")),
         type_(kFileSystemTypeTemporary),
         test_helper_(origin_, type_) {
   }
 
   void SetUp() {
     ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
 
     obfuscated_file_system_file_util_ =
-        new ObfuscatedFileSystemFileUtil(data_dir_.path());
+        new ObfuscatedFileSystemFileUtil(data_dir_.path(),
+                                         FileSystemFileUtil::GetInstance());
     test_helper_.SetUp(data_dir_.path(),
                        false, // incognito
                        false, // unlimited quota
                        NULL, // quota::QuotaManagerProxy
                        obfuscated_file_system_file_util_.get());
   }
 
   FileSystemOperationContext* NewContext() {
     FileSystemOperationContext* context = test_helper_.NewOperationContext();
-    context->set_allowed_bytes_growth(1024 * 1024);
     return context;
   }
 
   ObfuscatedFileSystemFileUtil* ofsfu() {
     return obfuscated_file_system_file_util_.get();
   }
 
   const FilePath& test_directory() const {
     return data_dir_.path();
   }
@@ skipping 835 matching lines @@
     }
     EXPECT_TRUE(found);
   }
 
   std::set<GURL> diff;
   std::set_symmetric_difference(origins_expected.begin(),
       origins_expected.end(), origins_found.begin(), origins_found.end(),
       inserter(diff, diff.begin()));
   EXPECT_TRUE(diff.empty());
 }