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

google_apis/gaia/account_tracker_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 "google_apis/gaia/account_tracker.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/message_loop/message_loop.h"
@@ skipping 246 matching lines @@
              << "Expected " << maybe_newline << Str(events) << ", "
              << maybe_newline << "Got " << maybe_newline << Str(events_)));
   events_.clear();
   return result;
 }
 
 class IdentityAccountTrackerTest : public testing::Test {
  public:
   IdentityAccountTrackerTest() {}
 
-  virtual ~IdentityAccountTrackerTest() {}
+  ~IdentityAccountTrackerTest() override {}
 
-  virtual void SetUp() override {
-
+  void SetUp() override {
     fake_oauth2_token_service_.reset(new FakeOAuth2TokenService());
 
     fake_identity_provider_.reset(
         new FakeIdentityProvider(fake_oauth2_token_service_.get()));
 
     account_tracker_.reset(
         new AccountTracker(fake_identity_provider_.get(),
                            new net::TestURLRequestContextGetter(
                                message_loop_.message_loop_proxy())));
     account_tracker_->AddObserver(&observer_);
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     account_tracker_->RemoveObserver(&observer_);
     account_tracker_->Shutdown();
   }
 
   AccountTrackerObserver* observer() {
     return &observer_;
   }
 
   AccountTracker* account_tracker() {
     return account_tracker_.get();
@@ skipping 513 matching lines @@
   EXPECT_TRUE(ids.email.empty());
   EXPECT_TRUE(ids.gaia.empty());
 
   ids = account_tracker()->FindAccountIdsByGaiaId("alpha@example.com");
   EXPECT_TRUE(ids.account_key.empty());
   EXPECT_TRUE(ids.email.empty());
   EXPECT_TRUE(ids.gaia.empty());
 }
 
 }  // namespace gaia