Standardize usage of virtual/override/final in net/

net/url_request/view_cache_helper_unittest.cc

 // 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.
 
 #include "net/url_request/view_cache_helper.h"
 
 #include "base/pickle.h"
 #include "net/base/net_errors.h"
 #include "net/base/test_completion_callback.h"
 #include "net/disk_cache/disk_cache.h"
 #include "net/http/http_cache.h"
 #include "net/http/http_transaction_test_util.h"
 #include "net/url_request/url_request_context.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 
 namespace {
 
 class TestURLRequestContext : public URLRequestContext {
  public:
   TestURLRequestContext();
 
-  virtual ~TestURLRequestContext() {
-    AssertNoURLRequests();
-  }
+  ~TestURLRequestContext() override { AssertNoURLRequests(); }
 
   // Gets a pointer to the cache backend.
   disk_cache::Backend* GetBackend();
 
  private:
   HttpCache cache_;
 };
 
 TestURLRequestContext::TestURLRequestContext()
     : cache_(new MockNetworkLayer(), NULL,
@@ skipping 169 matching lines @@
 
   std::string data;
   TestCompletionCallback cb1;
   rv = helper.GetEntryInfoHTML(key, &context, &data, cb1.callback());
   EXPECT_EQ(OK, cb1.GetResult(rv));
 
   EXPECT_NE(std::string::npos, data.find("RESPONSE_INFO_TRUNCATED"));
 }
 
 }  // namespace net