Standardize usage of virtual/override/final in net/

net/base/mock_file_stream.h

 // Copyright (c) 2012 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.
 
 // This file defines MockFileStream, a test class for FileStream.
 
 #ifndef NET_BASE_MOCK_FILE_STREAM_H_
 #define NET_BASE_MOCK_FILE_STREAM_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
 #include "base/memory/weak_ptr.h"
 #include "net/base/file_stream.h"
 #include "net/base/net_errors.h"
 
 namespace net {
 
 class IOBuffer;
 
 namespace testing {
 
 class MockFileStream : public net::FileStream {
  public:
   explicit MockFileStream(const scoped_refptr<base::TaskRunner>& task_runner);
   MockFileStream(base::File file,
                  const scoped_refptr<base::TaskRunner>& task_runner);
-  virtual ~MockFileStream();
+  ~MockFileStream() override;
 
   // FileStream methods.
-  virtual int Seek(base::File::Whence whence, int64 offset,
-                   const Int64CompletionCallback& callback) override;
-  virtual int Read(IOBuffer* buf,
-                   int buf_len,
-                   const CompletionCallback& callback) override;
-  virtual int Write(IOBuffer* buf,
-                    int buf_len,
-                    const CompletionCallback& callback) override;
-  virtual int Flush(const CompletionCallback& callback) override;
+  int Seek(base::File::Whence whence,
+           int64 offset,
+           const Int64CompletionCallback& callback) override;
+  int Read(IOBuffer* buf,
+           int buf_len,
+           const CompletionCallback& callback) override;
+  int Write(IOBuffer* buf,
+            int buf_len,
+            const CompletionCallback& callback) override;
+  int Flush(const CompletionCallback& callback) override;
 
   void set_forced_error_async(int error) {
     forced_error_ = error;
     async_error_ = true;
   }
   void set_forced_error(int error) {
     forced_error_ = error;
     async_error_ = false;
   }
   void clear_forced_error() {
@@ skipping 48 matching lines @@
   base::FilePath path_;
 
   base::WeakPtrFactory<MockFileStream> weak_factory_;
 };
 
 }  // namespace testing
 
 }  // namespace net
 
 #endif  // NET_BASE_MOCK_FILE_STREAM_H_