Standardize usage of virtual/override/final specifiers.

content/browser/webui/web_ui_mojo_browsertest.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 <limits>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/path_service.h"
@@ skipping 161 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(TestWebUIControllerFactory);
 };
 
 class WebUIMojoTest : public ContentBrowserTest {
  public:
   WebUIMojoTest() {
     WebUIControllerFactory::RegisterFactory(&factory_);
   }
 
-  virtual ~WebUIMojoTest() {
+  ~WebUIMojoTest() override {
     WebUIControllerFactory::UnregisterFactoryForTesting(&factory_);
   }
 
   TestWebUIControllerFactory* factory() { return &factory_; }
 
  private:
   TestWebUIControllerFactory factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebUIMojoTest);
 };
@@ skipping 32 matching lines @@
   NavigateToURL(other_shell, test_url);
   // RunLoop is quit when message received from page.
   other_run_loop.Run();
   EXPECT_TRUE(got_message);
   EXPECT_EQ(shell()->web_contents()->GetRenderProcessHost(),
             other_shell->web_contents()->GetRenderProcessHost());
 }
 
 }  // namespace
 }  // namespace content