Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/autofill/popup_controller_common_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 "chrome/browser/ui/autofill/popup_controller_common.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/autofill/test_popup_controller_common.h"
 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/rect.h"
 
 namespace autofill {
 
 class PopupControllerBaseTest : public ChromeRenderViewHostTestHarness {
  public:
   PopupControllerBaseTest() {}
-  virtual ~PopupControllerBaseTest() {}
+  ~PopupControllerBaseTest() override {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PopupControllerBaseTest);
 };
 
 TEST_F(PopupControllerBaseTest, GetPopupBoundsTest) {
   int desired_width = 40;
   int desired_height = 16;
 
   // Set up the visible screen space.
@@ skipping 47 matching lines @@
     gfx::Rect actual_popup_bounds =
         popup_controller->GetPopupBounds(desired_width, desired_height);
 
     EXPECT_EQ(expected_popup_bounds[i].ToString(),
               actual_popup_bounds.ToString()) <<
         "Popup bounds failed to match for test " << i;
   }
 }
 
 }  // namespace autofill