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

content/renderer/pepper/host_array_buffer_var.h

Index: content/renderer/pepper/host_array_buffer_var.h
diff --git a/content/renderer/pepper/host_array_buffer_var.h b/content/renderer/pepper/host_array_buffer_var.h
index 3e5b5b4d4a5ca8feb7cd7301e2141d8d9f77a482..9722f5fe05899ff14c400d7209c1294920077216 100644
--- a/content/renderer/pepper/host_array_buffer_var.h
+++ b/content/renderer/pepper/host_array_buffer_var.h
@@ -22,18 +22,17 @@ class HostArrayBufferVar : public ppapi::ArrayBufferVar {
                               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.