Standardize usage of virtual/override/final specifiers.

components/invalidation/gcm_network_channel_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 "base/strings/string_util.h"
 #include "components/invalidation/gcm_network_channel.h"
 #include "google_apis/gaia/google_service_auth_error.h"
 #include "net/url_request/test_url_fetcher_factory.h"
 #include "net/url_request/url_request_test_util.h"
@@ skipping 107 matching lines @@
 
 class GCMNetworkChannelTest
     : public ::testing::Test,
       public SyncNetworkChannel::Observer {
  public:
   GCMNetworkChannelTest()
       : delegate_(NULL),
         url_fetchers_created_count_(0),
         last_invalidator_state_(TRANSIENT_INVALIDATION_ERROR) {}
 
-  virtual ~GCMNetworkChannelTest() {
-  }
+  ~GCMNetworkChannelTest() override {}
 
-  virtual void SetUp() {
+  void SetUp() override {
     request_context_getter_ = new net::TestURLRequestContextGetter(
         base::MessageLoopProxy::current());
     // Ownership of delegate goes to GCNMentworkChannel but test needs pointer
     // to it.
     delegate_ = new TestGCMNetworkChannelDelegate();
     scoped_ptr<GCMNetworkChannelDelegate> delegate(delegate_);
     gcm_network_channel_.reset(new TestGCMNetworkChannel(
         request_context_getter_,
         delegate.Pass()));
     gcm_network_channel_->AddObserver(this);
     gcm_network_channel_->SetMessageReceiver(
         invalidation::NewPermanentCallback(
             this, &GCMNetworkChannelTest::OnIncomingMessage));
     url_fetcher_factory_.reset(new net::FakeURLFetcherFactory(NULL,
         base::Bind(&GCMNetworkChannelTest::CreateURLFetcher,
             base::Unretained(this))));
   }
 
-  virtual void TearDown() {
-    gcm_network_channel_->RemoveObserver(this);
-  }
+  void TearDown() override { gcm_network_channel_->RemoveObserver(this); }
 
   // Helper functions to call private methods from test
   GURL BuildUrl(const std::string& registration_id) {
     return gcm_network_channel_->GCMNetworkChannel::BuildUrl(registration_id);
   }
 
   static void Base64EncodeURLSafe(const std::string& input,
                                   std::string* output) {
     GCMNetworkChannel::Base64EncodeURLSafe(input, output);
   }
@@ skipping 342 matching lines @@
   delegate()->request_token_callback.Run(
       GoogleServiceAuthError::AuthErrorNone(), "access.token");
   RunLoopUntilIdle();
   EXPECT_EQ(url_fetchers_created_count(), 3);
   // Echo_token should be from second message.
   EXPECT_EQ("echo.token", get_last_echo_token());
 }
 #endif
 
 }  // namespace syncer