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

ash/wm/workspace/workspace_window_resizer_unittest.cc

Index: ash/wm/workspace/workspace_window_resizer_unittest.cc
diff --git a/ash/wm/workspace/workspace_window_resizer_unittest.cc b/ash/wm/workspace/workspace_window_resizer_unittest.cc
index 263eb0e5e4d1b6dcc50b57c8af34e237f81dd2d9..6f5c9a72ed66448172f8f1b58063ad60bea1a9ba 100644
--- a/ash/wm/workspace/workspace_window_resizer_unittest.cc
+++ b/ash/wm/workspace/workspace_window_resizer_unittest.cc
@@ -39,7 +39,7 @@ class TestWindowDelegate : public aura::test::TestWindowDelegate {
  public:
   TestWindowDelegate() {
   }
-  virtual ~TestWindowDelegate() {}
+  ~TestWindowDelegate() override {}
 
   void set_min_size(const gfx::Size& size) {
     min_size_ = size;
@@ -51,13 +51,9 @@ class TestWindowDelegate : public aura::test::TestWindowDelegate {
 
  private:
   // Overridden from aura::Test::TestWindowDelegate:
-  virtual gfx::Size GetMinimumSize() const override {
-    return min_size_;
-  }
+  gfx::Size GetMinimumSize() const override { return min_size_; }
 
-  virtual gfx::Size GetMaximumSize() const override {
-    return max_size_;
-  }
+  gfx::Size GetMaximumSize() const override { return max_size_; }
 
   gfx::Size min_size_;
   gfx::Size max_size_;
@@ -70,9 +66,9 @@ class TestWindowDelegate : public aura::test::TestWindowDelegate {
 class WorkspaceWindowResizerTest : public test::AshTestBase {
  public:
   WorkspaceWindowResizerTest() : workspace_resizer_(NULL) {}
-  virtual ~WorkspaceWindowResizerTest() {}
+  ~WorkspaceWindowResizerTest() override {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     AshTestBase::SetUp();
     UpdateDisplay(base::StringPrintf("800x%d", kRootHeight));
     // Ignore the touch slop region.
@@ -113,7 +109,7 @@ class WorkspaceWindowResizerTest : public test::AshTestBase {
     window4_->set_id(4);
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     window_.reset();
     window2_.reset();
     window3_.reset();