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

chrome/browser/ui/views/desktop_media_picker_views_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 "base/bind.h"
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/media/fake_desktop_media_list.h"
 #include "chrome/browser/ui/views/desktop_media_picker_views.h"
 #include "components/web_modal/test_web_contents_modal_dialog_host.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/aura/window.h"
 #include "ui/compositor/test/context_factories_for_test.h"
 #include "ui/events/event_utils.h"
 #include "ui/views/test/views_test_helper.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/window/dialog_delegate.h"
 
 namespace views {
 
 class DesktopMediaPickerViewsTest : public testing::Test {
  public:
   DesktopMediaPickerViewsTest() {}
-  virtual ~DesktopMediaPickerViewsTest() {}
+  ~DesktopMediaPickerViewsTest() override {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     bool enable_pixel_output = false;
     ui::ContextFactory* context_factory =
         ui::InitializeContextFactoryForTests(enable_pixel_output);
     test_helper_.reset(
         ViewsTestHelper::Create(base::MessageLoopForUI::current(),
                                 context_factory));
     test_helper_->SetUp();
 
     Widget::InitParams params(Widget::InitParams::TYPE_WINDOW);
     params.context = test_helper_->GetContext();
@@ skipping 10 matching lines @@
     picker_views_->Show(NULL,
                         parent_widget_->GetNativeWindow(),
                         NULL,
                         app_name,
                         app_name,
                         media_list.Pass(),
                         base::Bind(&DesktopMediaPickerViewsTest::OnPickerDone,
                                    base::Unretained(this)));
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     test_helper_->TearDown();
     ui::TerminateContextFactoryForTests();
   }
 
   DesktopMediaPickerDialogView* GetPickerDialogView() const {
     return picker_views_->GetDialogViewForTesting();
   }
 
   MOCK_METHOD1(OnPickerDone, void(content::DesktopMediaID));
 
@@ skipping 123 matching lines @@
   GetPickerDialogView()->GetMediaSourceViewForTesting(0)->OnFocus();
   EXPECT_TRUE(
       GetPickerDialogView()->IsDialogButtonEnabled(ui::DIALOG_BUTTON_OK));
 
   media_list_->RemoveSource(0);
   EXPECT_FALSE(
       GetPickerDialogView()->IsDialogButtonEnabled(ui::DIALOG_BUTTON_OK));
 }
 
 }  // namespace views