Update {virtual,override} to follow C++11 style in chrome.

chrome/browser/ui/views/autofill/autofill_popup_base_view_browsertest.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/views/autofill/autofill_popup_base_view.h"
 
 #include "chrome/browser/ui/autofill/autofill_popup_view_delegate.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
@@ skipping 23 matching lines @@
   MOCK_METHOD0(container_view, gfx::NativeView());
   MOCK_CONST_METHOD0(element_bounds, gfx::RectF&());
   MOCK_CONST_METHOD0(IsRTL, bool());
 };
 
 }  // namespace
 
 class AutofillPopupBaseViewTest : public InProcessBrowserTest {
  public:
   AutofillPopupBaseViewTest() {}
-  virtual ~AutofillPopupBaseViewTest() {}
+  ~AutofillPopupBaseViewTest() override {}
 
-  virtual void SetUpOnMainThread() override {
+  void SetUpOnMainThread() override {
     gfx::NativeView native_view =
         browser()->tab_strip_model()->GetActiveWebContents()->GetNativeView();
     EXPECT_CALL(mock_delegate_, container_view())
         .WillRepeatedly(Return(native_view));
     EXPECT_CALL(mock_delegate_, ViewDestroyed());
 
     view_ = new AutofillPopupBaseView(
         &mock_delegate_,
         views::Widget::GetWidgetForNativeWindow(
             browser()->window()->GetNativeWindow())->GetFocusManager());
@@ skipping 81 matching lines @@
 
   ShowView();
 
   gfx::Point display_point =
       static_cast<views::View*>(view_)->GetBoundsInScreen().origin();
   gfx::Point expected_point = bounds.origin();
   EXPECT_EQ(expected_point, display_point);
 }
 
 }  // namespace autofill