Standardize usage of virtual/override/final in chrome/browser/ui/

chrome/browser/ui/cocoa/omnibox/omnibox_popup_view_mac_unittest.mm

 // Copyright (c) 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.
 
 #import "chrome/browser/ui/cocoa/omnibox/omnibox_popup_view_mac.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/cocoa/cocoa_profile_test.h"
@@ skipping 15 matching lines @@
 
   void SetResultCount(size_t count) {
     ACMatches matches;
     for (size_t i = 0; i < count; ++i)
       matches.push_back(AutocompleteMatch());
     result_.Reset();
     result_.AppendMatches(matches);
   }
 
  protected:
-  virtual const AutocompleteResult& GetResult() const override {
-    return result_;
-  }
+  const AutocompleteResult& GetResult() const override { return result_; }
 
  private:
   AutocompleteResult result_;
 };
 
 class OmniboxPopupViewMacTest : public CocoaProfileTest {
  public:
   OmniboxPopupViewMacTest() {}
 
  private:
@@ skipping 23 matching lines @@
   EXPECT_GT(popup_view.GetTargetBounds().height(), old_height);
   EXPECT_EQ(5, [popup_view.matrix() numberOfRows]);
 
   popup_view.SetResultCount(0);
   popup_view.UpdatePopupAppearance();
   EXPECT_FALSE(popup_view.IsOpen());
   EXPECT_EQ(0, [popup_view.matrix() numberOfRows]);
 }
 
 }  // namespace