Standardize usage of virtual/override/final specifiers.

ui/app_list/views/folder_header_view_unittest.cc

Index: ui/app_list/views/folder_header_view_unittest.cc
diff --git a/ui/app_list/views/folder_header_view_unittest.cc b/ui/app_list/views/folder_header_view_unittest.cc
index 6408adbf4e6a4ac587eb79434c3e3ccb1b3664c9..94a70d6376bc7777768305e2f8d482b498226028 100644
--- a/ui/app_list/views/folder_header_view_unittest.cc
+++ b/ui/app_list/views/folder_header_view_unittest.cc
@@ -28,16 +28,15 @@ namespace {
 class TestFolderHeaderViewDelegate : public FolderHeaderViewDelegate {
  public:
   TestFolderHeaderViewDelegate() {}
-  virtual ~TestFolderHeaderViewDelegate() {}
+  ~TestFolderHeaderViewDelegate() override {}
 
   // FolderHeaderViewDelegate
-  virtual void NavigateBack(AppListFolderItem* item,
-                            const ui::Event& event_flags) override {}
+  void NavigateBack(AppListFolderItem* item,
+                    const ui::Event& event_flags) override {}
 
-  virtual void GiveBackFocusToSearchBox() override {}
+  void GiveBackFocusToSearchBox() override {}
 
-  virtual void SetItemName(AppListFolderItem* item,
-                           const std::string& name) override {
+  void SetItemName(AppListFolderItem* item, const std::string& name) override {
     folder_name_ = name;
   }
 
@@ -54,10 +53,10 @@ class TestFolderHeaderViewDelegate : public FolderHeaderViewDelegate {
 class FolderHeaderViewTest : public views::ViewsTestBase {
  public:
   FolderHeaderViewTest() {}
-  virtual ~FolderHeaderViewTest() {}
+  ~FolderHeaderViewTest() override {}
 
   // testing::Test overrides:
-  virtual void SetUp() override {
+  void SetUp() override {
     views::ViewsTestBase::SetUp();
     model_.reset(new AppListTestModel);
     model_->SetFoldersEnabled(true);
@@ -66,7 +65,7 @@ class FolderHeaderViewTest : public views::ViewsTestBase {
     folder_header_view_.reset(new FolderHeaderView(delegate_.get()));
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     folder_header_view_.reset();  // Release apps grid view before models.
     delegate_.reset();
     views::ViewsTestBase::TearDown();