Standardize usage of virtual/override/final specifiers.

ui/app_list/views/speech_view_unittest.cc

Index: ui/app_list/views/speech_view_unittest.cc
diff --git a/ui/app_list/views/speech_view_unittest.cc b/ui/app_list/views/speech_view_unittest.cc
index ad49f0d104644a61980817eba50919cdce7b08f4..319eca66bd9ed0ab1e3abe49dde51f1975351875 100644
--- a/ui/app_list/views/speech_view_unittest.cc
+++ b/ui/app_list/views/speech_view_unittest.cc
@@ -15,10 +15,10 @@ class SpeechViewTest : public views::test::WidgetTest,
                        public AppListTestViewDelegate {
  public:
   SpeechViewTest() {}
-  virtual ~SpeechViewTest() {}
+  ~SpeechViewTest() override {}
 
   // Overridden from testing::Test:
-  virtual void SetUp() override {
+  void SetUp() override {
     views::test::WidgetTest::SetUp();
     widget_ = CreateTopLevelPlatformWidget();
     widget_->SetBounds(gfx::Rect(0, 0, 300, 200));
@@ -27,7 +27,7 @@ class SpeechViewTest : public views::test::WidgetTest,
     view_->SetBoundsRect(widget_->GetContentsView()->GetLocalBounds());
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     widget_->CloseNow();
     views::test::WidgetTest::TearDown();
   }