Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/ash/window_positioner_unittest.cc

Index: chrome/browser/ui/ash/window_positioner_unittest.cc
diff --git a/chrome/browser/ui/ash/window_positioner_unittest.cc b/chrome/browser/ui/ash/window_positioner_unittest.cc
index 2b1ce8f46febc19be638c641d186a973cf310ae4..55f878c05aac106141a406ec2db27affb555908a 100644
--- a/chrome/browser/ui/ash/window_positioner_unittest.cc
+++ b/chrome/browser/ui/ash/window_positioner_unittest.cc
@@ -31,11 +31,9 @@ namespace {
 class TestBrowserWindowAura : public TestBrowserWindow {
  public:
   explicit TestBrowserWindowAura(aura::Window* native_window);
-  virtual ~TestBrowserWindowAura();
+  ~TestBrowserWindowAura() override;
 
-  virtual gfx::NativeWindow GetNativeWindow() override {
-    return native_window_;
-  }
+  gfx::NativeWindow GetNativeWindow() override { return native_window_; }
 
  private:
   gfx::NativeWindow native_window_;
@@ -58,8 +56,8 @@ class WindowPositionerTest : public AshTestBase {
  public:
   WindowPositionerTest();
 
-  virtual void SetUp() override;
-  virtual void TearDown() override;
+  void SetUp() override;
+  void TearDown() override;
 
  protected:
   aura::Window* window() { return window_.get(); }