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

content/browser/loader/upload_data_stream_builder.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 "content/browser/loader/upload_data_stream_builder.h"
 
 #include "base/logging.h"
 #include "content/browser/fileapi/upload_file_system_file_element_reader.h"
 #include "content/common/resource_request_body.h"
 #include "net/base/elements_upload_data_stream.h"
@@ skipping 12 matching lines @@
 // A subclass of net::UploadBytesElementReader which owns ResourceRequestBody.
 class BytesElementReader : public net::UploadBytesElementReader {
  public:
   BytesElementReader(ResourceRequestBody* resource_request_body,
                      const ResourceRequestBody::Element& element)
       : net::UploadBytesElementReader(element.bytes(), element.length()),
         resource_request_body_(resource_request_body) {
     DCHECK_EQ(ResourceRequestBody::Element::TYPE_BYTES, element.type());
   }
 
-  virtual ~BytesElementReader() {}
+  ~BytesElementReader() override {}
 
  private:
   scoped_refptr<ResourceRequestBody> resource_request_body_;
 
   DISALLOW_COPY_AND_ASSIGN(BytesElementReader);
 };
 
 // A subclass of net::UploadFileElementReader which owns ResourceRequestBody.
 // This class is necessary to ensure the BlobData and any attached shareable
 // files survive until upload completion.
 class FileElementReader : public net::UploadFileElementReader {
  public:
   FileElementReader(ResourceRequestBody* resource_request_body,
                     base::TaskRunner* task_runner,
                     const ResourceRequestBody::Element& element)
       : net::UploadFileElementReader(task_runner,
                                      element.path(),
                                      element.offset(),
                                      element.length(),
                                      element.expected_modification_time()),
         resource_request_body_(resource_request_body) {
     DCHECK_EQ(ResourceRequestBody::Element::TYPE_FILE, element.type());
   }
 
-  virtual ~FileElementReader() {}
+  ~FileElementReader() override {}
 
  private:
   scoped_refptr<ResourceRequestBody> resource_request_body_;
 
   DISALLOW_COPY_AND_ASSIGN(FileElementReader);
 };
 
 void ResolveBlobReference(
     storage::BlobStorageContext* blob_context,
     const ResourceRequestBody::Element& element,
@@ skipping 63 matching lines @@
         break;
     }
   }
 
   return make_scoped_ptr(
       new net::ElementsUploadDataStream(element_readers.Pass(),
                                         body->identifier()));
 }
 
 }  // namespace content