Standardize usage of virtual/override/final specifiers.

chrome/browser/download/download_ui_controller_unittest.cc

 // Copyright 2013 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/bind.h"
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 69 matching lines @@
   return download_history_.get();
 }
 
 // The test fixture:
 class DownloadUIControllerTest : public ChromeRenderViewHostTestHarness {
  public:
   DownloadUIControllerTest();
 
  protected:
   // testing::Test
-  virtual void SetUp() override;
+  void SetUp() override;
 
   // Returns a TestDelegate. Invoking OnNewDownloadReady on the returned
   // delegate results in the DownloadItem* being stored in |notified_item_|.
   scoped_ptr<DownloadUIController::Delegate> GetTestDelegate();
 
   MockDownloadManager* manager() { return manager_.get(); }
 
   // Returns the DownloadManager::Observer registered by a test case. This is
   // the DownloadUIController's observer for all current test cases.
   content::DownloadManager::Observer* manager_observer() {
@@ skipping 236 matching lines @@
   // DownloadUIController. It should ignore the download since it's marked as
   // being restored from history.
   ASSERT_TRUE(manager_observer());
   manager_observer()->OnDownloadCreated(manager(), item.get());
 
   // Finally, the expectation we've been waiting for:
   EXPECT_FALSE(notified_item());
 }
 
 } // namespace