Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/zoom/zoom_controller_unittest.cc

Index: chrome/browser/ui/zoom/zoom_controller_unittest.cc
diff --git a/chrome/browser/ui/zoom/zoom_controller_unittest.cc b/chrome/browser/ui/zoom/zoom_controller_unittest.cc
index 4fca4d7717d5390eded9fdb6b10dcf9c7e2bd692..63964e1bec85d0a39cdcca6c5d3f4b60ab9919cd 100644
--- a/chrome/browser/ui/zoom/zoom_controller_unittest.cc
+++ b/chrome/browser/ui/zoom/zoom_controller_unittest.cc
@@ -36,7 +36,7 @@ class TestZoomObserver : public ZoomObserver {
 
 class ZoomControllerTest : public ChromeRenderViewHostTestHarness {
  public:
-  virtual void SetUp() override {
+  void SetUp() override {
     ChromeRenderViewHostTestHarness::SetUp();
     zoom_controller_.reset(new ZoomController(web_contents()));
     zoom_controller_->AddObserver(&zoom_observer_);
@@ -47,7 +47,7 @@ class ZoomControllerTest : public ChromeRenderViewHostTestHarness {
         base::string16(), MSG_ROUTING_NONE, MSG_ROUTING_NONE, -1, false);
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     zoom_controller_->RemoveObserver(&zoom_observer_);
     zoom_controller_.reset();
     ChromeRenderViewHostTestHarness::TearDown();