Standardize usage of virtual/override/final in content/renderer/

content/renderer/pepper/host_array_buffer_var.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.
 
 #ifndef PPAPI_CONTENT_RENDERER_PEPPER_HOST_ARRAY_BUFFER_VAR_H_
 #define PPAPI_CONTENT_RENDERER_PEPPER_HOST_ARRAY_BUFFER_VAR_H_
 
 #include "base/memory/shared_memory.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/shared_impl/host_resource.h"
 #include "ppapi/shared_impl/var.h"
 #include "third_party/WebKit/public/platform/WebArrayBuffer.h"
 
 namespace content {
 
 // Represents a host-side ArrayBufferVar.
 class HostArrayBufferVar : public ppapi::ArrayBufferVar {
  public:
   explicit HostArrayBufferVar(uint32 size_in_bytes);
   explicit HostArrayBufferVar(const blink::WebArrayBuffer& buffer);
   explicit HostArrayBufferVar(uint32 size_in_bytes,
                               base::SharedMemoryHandle handle);
 
   // ArrayBufferVar implementation.
-  virtual void* Map() override;
-  virtual void Unmap() override;
-  virtual uint32 ByteLength() override;
-  virtual bool CopyToNewShmem(PP_Instance instance,
-                              int* host_shm_handle_id,
-                              base::SharedMemoryHandle* plugin_shm_handle)
-      override;
+  void* Map() override;
+  void Unmap() override;
+  uint32 ByteLength() override;
+  bool CopyToNewShmem(PP_Instance instance,
+                      int* host_shm_handle_id,
+                      base::SharedMemoryHandle* plugin_shm_handle) override;
 
   blink::WebArrayBuffer& webkit_buffer() { return buffer_; }
 
  private:
-  virtual ~HostArrayBufferVar();
+  ~HostArrayBufferVar() override;
 
   blink::WebArrayBuffer buffer_;
   // Tracks whether the data in the buffer is valid.
   bool valid_;
 
   DISALLOW_COPY_AND_ASSIGN(HostArrayBufferVar);
 };
 
 }  // namespace content
 
 #endif  // PPAPI_CONTENT_RENDERER_PEPPER_HOST_ARRAY_BUFFER_VAR_H_