Standardize usage of virtual/override/final specifiers.

chrome/browser/predictors/resource_prefetcher_unittest.cc

 // Copyright 2014 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 "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "chrome/browser/predictors/resource_prefetcher.h"
 #include "chrome/browser/predictors/resource_prefetcher_manager.h"
 #include "chrome/test/base/testing_profile.h"
@@ skipping 57 matching lines @@
 };
 
 
 // The following unittest tests most of the ResourcePrefetcher except for:
 // 1. Call to ReadFullResponse. There does not seem to be a good way to test the
 //    function in a unittest, and probably requires a browser_test.
 // 2. Setting of the Prefetch status for cache vs non cache.
 class ResourcePrefetcherTest : public testing::Test {
  public:
   ResourcePrefetcherTest();
-  virtual ~ResourcePrefetcherTest();
+  ~ResourcePrefetcherTest() override;
 
  protected:
   typedef ResourcePrefetcher::Request Request;
 
   void AddStartUrlRequestExpectation(const std::string& url) {
     EXPECT_CALL(*prefetcher_,
                 StartURLRequest(Property(&net::URLRequest::original_url,
                                          Eq(GURL(url)))));
   }
 
@@ skipping 261 matching lines @@
   // We need to delete requests_ptr here, though it looks to be managed by the
   // scoped_ptr requests. The scoped_ptr requests releases itself and the raw
   // pointer requests_ptr is passed to ResourcePrefetcherFinished(). In the
   // test, ResourcePrefetcherFinished() is a mock function and does not handle
   // the raw pointer properly. In the real code, requests_ptr will eventually be
   // passed to and managed by ResourcePrefetchPredictor::Result::Result.
   delete requests_ptr;
 }
 
 }  // namespace predictors