Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/views/frame/web_contents_close_handler_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/views/frame/web_contents_close_handler.h"
 
 #include "base/message_loop/message_loop.h"
 #include "chrome/browser/ui/views/frame/web_contents_close_handler_delegate.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 class MockWebContentsCloseHandlerDelegate
     : public WebContentsCloseHandlerDelegate {
  public:
   explicit MockWebContentsCloseHandlerDelegate()
       : got_clone_(false),
         got_destroy_(false) {
   }
-  virtual ~MockWebContentsCloseHandlerDelegate() {}
+  ~MockWebContentsCloseHandlerDelegate() override {}
 
   void Clear() {
     got_clone_ = got_destroy_ = false;
   }
 
   bool got_clone() const { return got_clone_; }
   void clear_got_clone() { got_clone_ = false; }
 
   bool got_destroy() const { return got_destroy_; }
   void clear_got_destroy() { got_destroy_ = false; }
 
   // WebContentsCloseHandlerDelegate:
-  virtual void CloneWebContentsLayer() override {
-    got_clone_ = true;
-  }
-  virtual void DestroyClonedLayer() override {
-    got_destroy_ = true;
-  }
+  void CloneWebContentsLayer() override { got_clone_ = true; }
+  void DestroyClonedLayer() override { got_destroy_ = true; }
 
  private:
   base::MessageLoopForUI message_loop_;
   bool got_clone_;
   bool got_destroy_;
 
   DISALLOW_COPY_AND_ASSIGN(MockWebContentsCloseHandlerDelegate);
 };
 
 // -----------------------------------------------------------------------------
 
 class WebContentsCloseHandlerTest : public testing::Test {
  public:
   WebContentsCloseHandlerTest() : close_handler_(&close_handler_delegate_) {}
-  virtual ~WebContentsCloseHandlerTest() {}
+  ~WebContentsCloseHandlerTest() override {}
 
  protected:
   bool IsTimerRunning() const {
     return close_handler_.timer_.IsRunning();
   }
 
   MockWebContentsCloseHandlerDelegate close_handler_delegate_;
   WebContentsCloseHandler close_handler_;
 
  private:
@@ skipping 25 matching lines @@
 // Verifies the timer is started after a close.
 TEST_F(WebContentsCloseHandlerTest, DontDestroyImmediatleyAfterCancel) {
   close_handler_.WillCloseAllTabs();
   close_handler_delegate_.Clear();
   close_handler_.CloseAllTabsCanceled();
   EXPECT_FALSE(close_handler_delegate_.got_destroy());
   EXPECT_FALSE(close_handler_delegate_.got_clone());
   EXPECT_TRUE(IsTimerRunning());
 }