Standardize usage of virtual/override/final in net/

net/tools/balsa/simple_buffer.h

 // 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.
 
 #ifndef NET_TOOLS_BALSA_SIMPLE_BUFFER_H__
 #define NET_TOOLS_BALSA_SIMPLE_BUFFER_H__
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "net/tools/balsa/buffer_interface.h"
 
 namespace net {
 
 class SimpleBuffer : public BufferInterface {
  public:
   SimpleBuffer();
   explicit SimpleBuffer(int size);
-  virtual ~SimpleBuffer();
+  ~SimpleBuffer() override;
 
   std::string str() const;
 
   typedef char * iterator;
   typedef const char * const_iterator;
 
   iterator begin() { return storage_ + read_idx_; }
   const_iterator begin() const { return storage_ + read_idx_; }
 
   iterator end() { return storage_ + write_idx_; }
   const_iterator end() const { return storage_ + write_idx_; }
 
   // The following functions all override pure virtual functions
   // in BufferInterface. See buffer_interface.h for a description
   // of what they do.
-  virtual int ReadableBytes() const override;
-  virtual int BufferSize() const override;
-  virtual int BytesFree() const override;
+  int ReadableBytes() const override;
+  int BufferSize() const override;
+  int BytesFree() const override;
 
-  virtual bool Empty() const override;
-  virtual bool Full() const override;
+  bool Empty() const override;
+  bool Full() const override;
 
-  virtual int Write(const char* bytes, int size) override;
+  int Write(const char* bytes, int size) override;
 
-  virtual void GetWritablePtr(char **ptr, int* size) const override;
+  void GetWritablePtr(char** ptr, int* size) const override;
 
-  virtual void GetReadablePtr(char **ptr, int* size) const override;
+  void GetReadablePtr(char** ptr, int* size) const override;
 
-  virtual int Read(char* bytes, int size) override;
+  int Read(char* bytes, int size) override;
 
-  virtual void Clear() override;
+  void Clear() override;
 
   // This can be an expensive operation: costing a new/delete, and copying of
   // all existing data. Even if the existing buffer does not need to be
   // resized, unread data may still need to be non-destructively copied to
   // consolidate fragmented free space.
-  virtual bool Reserve(int size) override;
+  bool Reserve(int size) override;
 
-  virtual void AdvanceReadablePtr(int amount_to_advance) override;
+  void AdvanceReadablePtr(int amount_to_advance) override;
 
-  virtual void AdvanceWritablePtr(int amount_to_advance) override;
+  void AdvanceWritablePtr(int amount_to_advance) override;
 
   void Swap(SimpleBuffer* other) {
     char* tmp = storage_;
     storage_ = other->storage_;
     other->storage_ = tmp;
 
     int tmp_int = write_idx_;
     write_idx_ = other->write_idx_;
     other->write_idx_ = tmp_int;
 
@@ skipping 12 matching lines @@
   int read_idx_;
   int storage_size_;
 
  private:
   //DISALLOW_COPY_AND_ASSIGN(SimpleBuffer);
 };
 
 }  // namespace net
 
 #endif  // NET_TOOLS_BALSA_SIMPLE_BUFFER_H__