Standardize usage of virtual/override/final specifiers.

content/browser/fileapi/file_writer_delegate_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 <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 66 matching lines @@
 
 class BlobURLRequestJobFactory;
 
 }  // namespace (anonymous)
 
 class FileWriterDelegateTest : public PlatformTest {
  public:
   FileWriterDelegateTest() {}
 
  protected:
-  virtual void SetUp() override;
-  virtual void TearDown() override;
+  void SetUp() override;
+  void TearDown() override;
 
   int64 usage() {
     return file_system_context_->GetQuotaUtil(kFileSystemType)
         ->GetOriginUsageOnFileTaskRunner(
               file_system_context_.get(), kOrigin, kFileSystemType);
   }
 
   int64 GetFileSizeOnDisk(const char* test_file_path) {
     // There might be in-flight flush/write.
     base::MessageLoop::current()->PostTask(
@@ skipping 374 matching lines @@
     file_writer_delegate_.reset();
 
     EXPECT_EQ(pre_write_usage + allowed_growth, usage());
     EXPECT_EQ(GetFileSizeOnDisk("test"), usage());
     EXPECT_EQ(kOverlap + allowed_growth, result.bytes_written());
     EXPECT_EQ(base::File::FILE_ERROR_NO_SPACE, result.status());
   }
 }
 
 }  // namespace content