Standardize usage of virtual/override/final specifiers in sync/.

sync/internal_api/http_bridge_unittest.cc

 // Copyright 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 "base/synchronization/waitable_event.h"
 #include "base/threading/thread.h"
 #include "net/test/spawned_test_server/spawned_test_server.h"
 #include "net/url_request/test_url_fetcher_factory.h"
 #include "net/url_request/url_fetcher_delegate.h"
 #include "net/url_request/url_request_test_util.h"
@@ skipping 13 matching lines @@
  public:
   SyncHttpBridgeTest()
       : test_server_(net::SpawnedTestServer::TYPE_HTTP,
                      net::SpawnedTestServer::kLocalhost,
                      base::FilePath(kDocRoot)),
         fake_default_request_context_getter_(NULL),
         bridge_for_race_test_(NULL),
         io_thread_("IO thread") {
   }
 
-  virtual void SetUp() {
+  void SetUp() override {
     base::Thread::Options options;
     options.message_loop_type = base::MessageLoop::TYPE_IO;
     io_thread_.StartWithOptions(options);
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     if (fake_default_request_context_getter_) {
       GetIOThreadLoop()->ReleaseSoon(FROM_HERE,
           fake_default_request_context_getter_);
       fake_default_request_context_getter_ = NULL;
     }
     io_thread_.Stop();
   }
 
   HttpBridge* BuildBridge() {
     if (!fake_default_request_context_getter_) {
@@ skipping 457 matching lines @@
 
   // Sync thread: Finally run the posted task, only to find that our
   // HttpBridgeFactory has been neutered.  Should not crash.
   factory->Init("TestUserAgent");
 
   // At this point, attempting to use the factory would trigger a crash.  Both
   // this test and the real world code should make sure this never happens.
 };
 
 }  // namespace syncer