Standardize usage of virtual/override/final specifiers.

chrome/browser/invalidation/gcm_invalidation_bridge_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/run_loop.h"
 #include "chrome/browser/signin/fake_profile_oauth2_token_service.h"
 #include "chrome/browser/signin/fake_profile_oauth2_token_service_builder.h"
 #include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/gcm_driver/fake_gcm_driver.h"
@@ skipping 30 matching lines @@
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CustomFakeGCMDriver);
 };
 
 class GCMInvalidationBridgeTest : public ::testing::Test {
  protected:
   GCMInvalidationBridgeTest()
       : connection_online_(false) {}
 
-  virtual ~GCMInvalidationBridgeTest() {}
+  ~GCMInvalidationBridgeTest() override {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     TestingProfile::Builder builder;
     builder.AddTestingFactory(ProfileOAuth2TokenServiceFactory::GetInstance(),
                               &BuildAutoIssuingFakeProfileOAuth2TokenService);
     profile_ = builder.Build();
 
     FakeProfileOAuth2TokenService* token_service =
         (FakeProfileOAuth2TokenService*)
         ProfileOAuth2TokenServiceFactory::GetForProfile(profile_.get());
     token_service->IssueRefreshTokenForUser("", "fake_refresh_token");
     gcm_driver_.reset(new CustomFakeGCMDriver());
@@ skipping 91 matching lines @@
   bridge_->OnConnected(net::IPEndPoint());
   RunLoop();
   EXPECT_TRUE(connection_online_);
   bridge_->OnDisconnected();
   RunLoop();
   EXPECT_FALSE(connection_online_);
 }
 
 }  // namespace
 }  // namespace invalidation