Refactoring: Change all -FileUtils non-Singleton and to own underlying FileUtils.

webkit/fileapi/file_system_operation_write_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.
 //
 // NOTE: These tests are run as part of "unit_tests" (in chrome/test/unit)
 // rather than as part of test_shell_tests because they rely on being able
 // to instantiate a MessageLoop of type TYPE_IO.  test_shell_tests uses
 // TYPE_UI, which URLRequest doesn't allow.
 //
 
@@ skipping 50 matching lines @@
   int64 usage_;
   int64 quota_;
 };
 
 }  // namespace (anonymous)
 
 class FileSystemOperationWriteTest : public testing::Test {
  public:
   FileSystemOperationWriteTest()
       : local_file_util_(
-            new LocalFileSystemFileUtil(QuotaFileUtil::GetInstance())),
+            new LocalFileSystemFileUtil(QuotaFileUtil::CreateDefault())),
         loop_(MessageLoop::TYPE_IO),
         status_(base::PLATFORM_FILE_OK),
         bytes_written_(0),
         complete_(false) {}
 
   FileSystemOperation* operation();
 
   void set_failure_status(base::PlatformFileError status) {
     EXPECT_FALSE(complete_);
     EXPECT_EQ(status_, base::PLATFORM_FILE_OK);
@@ skipping 257 matching lines @@
   url_request_context->blob_storage_controller()->UnregisterBlobUrl(blob_url);
 
   EXPECT_EQ(10, bytes_written());
   EXPECT_EQ(base::PLATFORM_FILE_ERROR_NO_SPACE, status());
   EXPECT_TRUE(complete());
 }
 
 // TODO(ericu,dmikurube): Add tests for Cancel.
 
 }  // namespace fileapi