Standardize usage of virtual/override/final specifiers.

chrome/browser/browsing_data/browsing_data_channel_id_helper_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 "chrome/browser/browsing_data/browsing_data_channel_id_helper.h"
 
 #include "base/bind.h"
 #include "base/run_loop.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "net/ssl/channel_id_service.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using content::BrowserThread;
 
 class BrowsingDataChannelIDHelperTest
     : public testing::Test,
       public net::SSLConfigService::Observer {
  public:
   BrowsingDataChannelIDHelperTest() : ssl_config_changed_count_(0) {
   }
 
-  virtual void SetUp() override {
+  void SetUp() override {
     testing_profile_.reset(new TestingProfile());
 
     testing_profile_->GetSSLConfigService()->AddObserver(this);
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     testing_profile_->GetSSLConfigService()->RemoveObserver(this);
   }
 
   void CreateChannelIDsForTest() {
     net::URLRequestContext* context =
         testing_profile_->GetRequestContext()->GetURLRequestContext();
     net::ChannelIDStore* channel_id_store =
         context->channel_id_service()->GetChannelIDStore();
     channel_id_store->SetChannelID("https://www.google.com:443",
                                    base::Time(), base::Time(),
@@ skipping 92 matching lines @@
   scoped_refptr<CannedBrowsingDataChannelIDHelper> helper(
       new CannedBrowsingDataChannelIDHelper());
 
   ASSERT_TRUE(helper->empty());
   helper->AddChannelID(net::ChannelIDStore::ChannelID(
       origin, base::Time(), base::Time(), "key", "cert"));
   ASSERT_FALSE(helper->empty());
   helper->Reset();
   ASSERT_TRUE(helper->empty());
 }